abcdef abcdfe abcedf abcefd abcfde abcfed abdcef abdcfe abdecf abdefc abdfce abdfec abecdf abecfd abedcf abedfc abefcd abefdc abfcde abfced abfdce abfdec abfecd abfedc acbdef acbdfe acbedf acbefd acbfde acbfed acdbef acdbfe acdebf acdefb acdfbe acdfeb acebdf acebfd acedbf acedfb acefbd acefdb acfbde acfbed acfdbe acfdeb acfebd acfedb adbcef adbcfe adbecf adbefc adbfce adbfec adcbef adcbfe adcebf adcefb adcfbe adcfeb adebcf adebfc adecbf adecfb adefbc adefcb adfbce adfbec adfcbe adfceb adfebc adfecb aebcdf aebcfd aebdcf aebdfc aebfcd aebfdc aecbdf aecbfd aecdbf aecdfb aecfbd aecfdb aedbcf aedbfc aedcbf aedcfb aedfbc aedfcb aefbcd aefbdc aefcbd aefcdb aefdbc aefdcb afbcde afbced afbdce afbdec afbecd afbedc afcbde afcbed afcdbe afcdeb afcebd afcedb afdbce afdbec afdcbe afdceb afdebc afdecb afebcd afebdc afecbd afecdb afedbc afedcb bacdef bacdfe bacedf bacefd bacfde bacfed badcef badcfe badecf badefc badfce badfec baecdf baecfd baedcf baedfc baefcd baefdc bafcde bafced bafdce bafdec bafecd bafedc bcadef bcadfe bcaedf bcaefd bcafde bcafed bcdaef bcdafe bcdeaf bcdefa bcdfae bcdfea bceadf bceafd bcedaf bcedfa bcefad bcefda bcfade bcfaed bcfdae bcfdea bcfead bcfeda bdacef bdacfe bdaecf bdaefc bdafce bdafec bdcaef bdcafe bdceaf bdcefa bdcfae bdcfea bdeacf bdeafc bdecaf bdecfa bdefac bdefca bdface bdfaec bdfcae bdfcea bdfeac bdfeca beacdf beacfd beadcf beadfc beafcd beafdc becadf becafd becdaf becdfa becfad becfda bedacf bedafc bedcaf bedcfa bedfac bedfca befacd befadc befcad befcda befdac befdca bfacde bfaced bfadce bfadec bfaecd bfaedc bfcade bfcaed bfcdae bfcdea bfcead bfceda bfdace bfdaec bfdcae bfdcea bfdeac bfdeca bfeacd bfeadc bfecad bfecda bfedac bfedca cabdef cabdfe cabedf cabefd cabfde cabfed cadbef cadbfe cadebf cadefb cadfbe cadfeb caebdf caebfd caedbf caedfb caefbd caefdb cafbde cafbed cafdbe cafdeb cafebd cafedb cbadef cbadfe cbaedf cbaefd cbafde cbafed cbdaef cbdafe cbdeaf cbdefa cbdfae cbdfea cbeadf cbeafd cbedaf cbedfa cbefad cbefda cbfade cbfaed cbfdae cbfdea cbfead cbfeda cdabef cdabfe cdaebf cdaefb cdafbe cdafeb cdbaef cdbafe cdbeaf cdbefa cdbfae cdbfea cdeabf cdeafb cdebaf cdebfa cdefab cdefba cdfabe cdfaeb cdfbae cdfbea cdfeab cdfeba ceabdf ceabfd ceadbf ceadfb ceafbd ceafdb cebadf cebafd cebdaf cebdfa cebfad cebfda cedabf cedafb cedbaf cedbfa cedfab cedfba cefabd cefadb cefbad cefbda cefdab cefdba cfabde cfabed cfadbe cfadeb cfaebd cfaedb cfbade cfbaed cfbdae cfbdea cfbead cfbeda cfdabe cfdaeb cfdbae cfdbea cfdeab cfdeba cfeabd cfeadb cfebad cfebda cfedab cfedba dabcef dabcfe dabecf dabefc dabfce dabfec dacbef dacbfe dacebf dacefb dacfbe dacfeb daebcf daebfc daecbf daecfb daefbc daefcb dafbce dafbec dafcbe dafceb dafebc dafecb dbacef dbacfe dbaecf dbaefc dbafce dbafec dbcaef dbcafe dbceaf dbcefa dbcfae dbcfea dbeacf dbeafc dbecaf dbecfa dbefac dbefca dbface dbfaec dbfcae dbfcea dbfeac dbfeca dcabef dcabfe dcaebf dcaefb dcafbe dcafeb dcbaef dcbafe dcbeaf dcbefa dcbfae dcbfea dceabf dceafb dcebaf dcebfa dcefab dcefba dcfabe dcfaeb dcfbae dcfbea dcfeab dcfeba deabcf deabfc deacbf deacfb deafbc deafcb debacf debafc debcaf debcfa debfac debfca decabf decafb decbaf decbfa decfab decfba defabc defacb defbac defbca defcab defcba dfabce dfabec dfacbe dfaceb dfaebc dfaecb dfbace dfbaec dfbcae dfbcea dfbeac dfbeca dfcabe dfcaeb dfcbae dfcbea dfceab dfceba dfeabc dfeacb dfebac dfebca dfecab dfecba eabcdf eabcfd eabdcf eabdfc eabfcd eabfdc eacbdf eacbfd eacdbf eacdfb eacfbd eacfdb eadbcf eadbfc eadcbf eadcfb eadfbc eadfcb eafbcd eafbdc eafcbd eafcdb eafdbc eafdcb ebacdf ebacfd ebadcf ebadfc ebafcd ebafdc ebcadf ebcafd ebcdaf ebcdfa ebcfad ebcfda ebdacf ebdafc ebdcaf ebdcfa ebdfac ebdfca ebfacd ebfadc ebfcad ebfcda ebfdac ebfdca ecabdf ecabfd ecadbf ecadfb ecafbd ecafdb ecbadf ecbafd ecbdaf ecbdfa ecbfad ecbfda ecdabf ecdafb ecdbaf ecdbfa ecdfab ecdfba ecfabd ecfadb ecfbad ecfbda ecfdab ecfdba edabcf edabfc edacbf edacfb edafbc edafcb edbacf edbafc edbcaf edbcfa edbfac edbfca edcabf edcafb edcbaf edcbfa edcfab edcfba edfabc edfacb edfbac edfbca edfcab edfcba efabcd efabdc efacbd efacdb efadbc efadcb efbacd efbadc efbcad efbcda efbdac efbdca efcabd efcadb efcbad efcbda efcdab efcdba efdabc efdacb efdbac efdbca efdcab efdcba fabcde fabced fabdce fabdec fabecd fabedc facbde facbed facdbe facdeb facebd facedb fadbce fadbec fadcbe fadceb fadebc fadecb faebcd faebdc faecbd faecdb faedbc faedcb fbacde fbaced fbadce fbadec fbaecd fbaedc fbcade fbcaed fbcdae fbcdea fbcead fbceda fbdace fbdaec fbdcae fbdcea fbdeac fbdeca fbeacd fbeadc fbecad fbecda fbedac fbedca fcabde fcabed fcadbe fcadeb fcaebd fcaedb fcbade fcbaed fcbdae fcbdea fcbead fcbeda fcdabe fcdaeb fcdbae fcdbea fcdeab fcdeba fceabd fceadb fcebad fcebda fcedab fcedba fdabce fdabec fdacbe fdaceb fdaebc fdaecb fdbace fdbaec fdbcae fdbcea fdbeac fdbeca fdcabe fdcaeb fdcbae fdcbea fdceab fdceba fdeabc fdeacb fdebac fdebca fdecab fdecba feabcd feabdc feacbd feacdb feadbc feadcb febacd febadc febcad febcda febdac febdca fecabd fecadb fecbad fecbda fecdab fecdba fedabc fedacb fedbac fedbca fedcab fedcba abcde abced abdce abdec abecd abedc acbde acbed acdbe acdeb acebd acedb adbce adbec adcbe adceb adebc adecb aebcd aebdc aecbd aecdb aedbc aedcb bacde baced badce badec baecd baedc bcade bcaed bcdae bcdea bcead bceda bdace bdaec bdcae bdcea bdeac bdeca beacd beadc becad becda bedac bedca cabde cabed cadbe cadeb caebd caedb cbade cbaed cbdae cbdea cbead cbeda cdabe cdaeb cdbae cdbea cdeab cdeba ceabd ceadb cebad cebda cedab cedba dabce dabec dacbe daceb daebc daecb dbace dbaec dbcae dbcea dbeac dbeca dcabe dcaeb dcbae dcbea dceab dceba deabc deacb debac debca decab decba eabcd eabdc eacbd eacdb eadbc eadcb ebacd ebadc ebcad ebcda ebdac ebdca ecabd ecadb ecbad ecbda ecdab ecdba edabc edacb edbac edbca edcab edcba abcd abdc acbd acdb adbc adcb bacd badc bcad bcda bdac bdca cabd cadb cbad cbda cdab cdba dabc dacb dbac dbca dcab dcba abc acb bac bca cab cba abd adb bad bda dab dba acd adc cad cda dac dca bcd bdc cbd cdb dbc dcb abce abec acbe aceb aebc aecb bace baec bcae bcea beac beca cabe caeb cbae cbea ceab ceba eabc eacb ebac ebca ecab ecba abe aeb bae bea eab eba ace aec cae cea eac eca bce bec cbe ceb ebc ecb abde abed adbe adeb aebd aedb bade baed bdae bdea bead beda dabe daeb dbae dbea deab deba eabd eadb ebad ebda edab edba ade aed dae dea ead eda bde bed dbe deb ebd edb acde aced adce adec aecd aedc cade caed cdae cdea cead ceda dace daec dcae dcea deac deca eacd eadc ecad ecda edac edca cde ced dce dec ecd edc bcde bced bdce bdec becd bedc cbde cbed cdbe cdeb cebd cedb dbce dbec dcbe dceb debc decb ebcd ebdc ecbd ecdb edbc edcb abcdf abcfd abdcf abdfc abfcd abfdc acbdf acbfd acdbf acdfb acfbd acfdb adbcf adbfc adcbf adcfb adfbc adfcb afbcd afbdc afcbd afcdb afdbc afdcb bacdf bacfd badcf badfc bafcd bafdc bcadf bcafd bcdaf bcdfa bcfad bcfda bdacf bdafc bdcaf bdcfa bdfac bdfca bfacd bfadc bfcad bfcda bfdac bfdca cabdf cabfd cadbf cadfb cafbd cafdb cbadf cbafd cbdaf cbdfa cbfad cbfda cdabf cdafb cdbaf cdbfa cdfab cdfba cfabd cfadb cfbad cfbda cfdab cfdba dabcf dabfc dacbf dacfb dafbc dafcb dbacf dbafc dbcaf dbcfa dbfac dbfca dcabf dcafb dcbaf dcbfa dcfab dcfba dfabc dfacb dfbac dfbca dfcab dfcba fabcd fabdc facbd facdb fadbc fadcb fbacd fbadc fbcad fbcda fbdac fbdca fcabd fcadb fcbad fcbda fcdab fcdba fdabc fdacb fdbac fdbca fdcab fdcba abcf abfc acbf acfb afbc afcb bacf bafc bcaf bcfa bfac bfca cabf cafb cbaf cbfa cfab cfba fabc facb fbac fbca fcab fcba abf afb baf bfa fab fba acf afc caf cfa fac fca bcf bfc cbf cfb fbc fcb abdf abfd adbf adfb afbd afdb badf bafd bdaf bdfa bfad bfda dabf dafb dbaf dbfa dfab dfba fabd fadb fbad fbda fdab fdba adf afd daf dfa fad fda bdf bfd dbf dfb fbd fdb acdf acfd adcf adfc afcd afdc cadf cafd cdaf cdfa cfad cfda dacf dafc dcaf dcfa dfac dfca facd fadc fcad fcda fdac fdca cdf cfd dcf dfc fcd fdc bcdf bcfd bdcf bdfc bfcd bfdc cbdf cbfd cdbf cdfb cfbd cfdb dbcf dbfc dcbf dcfb dfbc dfcb fbcd fbdc fcbd fcdb fdbc fdcb abcef abcfe abecf abefc abfce abfec acbef acbfe acebf acefb acfbe acfeb aebcf aebfc aecbf aecfb aefbc aefcb afbce afbec afcbe afceb afebc afecb bacef bacfe baecf baefc bafce bafec bcaef bcafe bceaf bcefa bcfae bcfea beacf beafc becaf becfa befac befca bface bfaec bfcae bfcea bfeac bfeca cabef cabfe caebf caefb cafbe cafeb cbaef cbafe cbeaf cbefa cbfae cbfea ceabf ceafb cebaf cebfa cefab cefba cfabe cfaeb cfbae cfbea cfeab cfeba eabcf eabfc eacbf eacfb eafbc eafcb ebacf ebafc ebcaf ebcfa ebfac ebfca ecabf ecafb ecbaf ecbfa ecfab ecfba efabc efacb efbac efbca efcab efcba fabce fabec facbe faceb faebc faecb fbace fbaec fbcae fbcea fbeac fbeca fcabe fcaeb fcbae fcbea fceab fceba feabc feacb febac febca fecab fecba abef abfe aebf aefb afbe afeb baef bafe beaf befa bfae bfea eabf eafb ebaf ebfa efab efba fabe faeb fbae fbea feab feba aef afe eaf efa fae fea bef bfe ebf efb fbe feb acef acfe aecf aefc afce afec caef cafe ceaf cefa cfae cfea eacf eafc ecaf ecfa efac efca face faec fcae fcea feac feca cef cfe ecf efc fce fec bcef bcfe becf befc bfce bfec cbef cbfe cebf cefb cfbe cfeb ebcf ebfc ecbf ecfb efbc efcb fbce fbec fcbe fceb febc fecb abdef abdfe abedf abefd abfde abfed adbef adbfe adebf adefb adfbe adfeb aebdf aebfd aedbf aedfb aefbd aefdb afbde afbed afdbe afdeb afebd afedb badef badfe baedf baefd bafde bafed bdaef bdafe bdeaf bdefa bdfae bdfea beadf beafd bedaf bedfa befad befda bfade bfaed bfdae bfdea bfead bfeda dabef dabfe daebf daefb dafbe dafeb dbaef dbafe dbeaf dbefa dbfae dbfea deabf deafb debaf debfa defab defba dfabe dfaeb dfbae dfbea dfeab dfeba eabdf eabfd eadbf eadfb eafbd eafdb ebadf ebafd ebdaf ebdfa ebfad ebfda edabf edafb edbaf edbfa edfab edfba efabd efadb efbad efbda efdab efdba fabde fabed fadbe fadeb faebd faedb fbade fbaed fbdae fbdea fbead fbeda fdabe fdaeb fdbae fdbea fdeab fdeba feabd feadb febad febda fedab fedba adef adfe aedf aefd afde afed daef dafe deaf defa dfae dfea eadf eafd edaf edfa efad efda fade faed fdae fdea fead feda def dfe edf efd fde fed bdef bdfe bedf befd bfde bfed dbef dbfe debf defb dfbe dfeb ebdf ebfd edbf edfb efbd efdb fbde fbed fdbe fdeb febd fedb acdef acdfe acedf acefd acfde acfed adcef adcfe adecf adefc adfce adfec aecdf aecfd aedcf aedfc aefcd aefdc afcde afced afdce afdec afecd afedc cadef cadfe caedf caefd cafde cafed cdaef cdafe cdeaf cdefa cdfae cdfea ceadf ceafd cedaf cedfa cefad cefda cfade cfaed cfdae cfdea cfead cfeda dacef dacfe daecf daefc dafce dafec dcaef dcafe dceaf dcefa dcfae dcfea deacf deafc decaf decfa defac defca dface dfaec dfcae dfcea dfeac dfeca eacdf eacfd eadcf eadfc eafcd eafdc ecadf ecafd ecdaf ecdfa ecfad ecfda edacf edafc edcaf edcfa edfac edfca efacd efadc efcad efcda efdac efdca facde faced fadce fadec faecd faedc fcade fcaed fcdae fcdea fcead fceda fdace fdaec fdcae fdcea fdeac fdeca feacd feadc fecad fecda fedac fedca cdef cdfe cedf cefd cfde cfed dcef dcfe decf defc dfce dfec ecdf ecfd edcf edfc efcd efdc fcde fced fdce fdec fecd fedc bcdef bcdfe bcedf bcefd bcfde bcfed bdcef bdcfe bdecf bdefc bdfce bdfec becdf becfd bedcf bedfc befcd befdc bfcde bfced bfdce bfdec bfecd bfedc cbdef cbdfe cbedf cbefd cbfde cbfed cdbef cdbfe cdebf cdefb cdfbe cdfeb cebdf cebfd cedbf cedfb cefbd cefdb cfbde cfbed cfdbe cfdeb cfebd cfedb dbcef dbcfe dbecf dbefc dbfce dbfec dcbef dcbfe dcebf dcefb dcfbe dcfeb debcf debfc decbf decfb defbc defcb dfbce dfbec dfcbe dfceb dfebc dfecb ebcdf ebcfd ebdcf ebdfc ebfcd ebfdc ecbdf ecbfd ecdbf ecdfb ecfbd ecfdb edbcf edbfc edcbf edcfb edfbc edfcb efbcd efbdc efcbd efcdb efdbc efdcb fbcde fbced fbdce fbdec fbecd fbedc fcbde fcbed fcdbe fcdeb fcebd fcedb fdbce fdbec fdcbe fdceb fdebc fdecb febcd febdc fecbd fecdb fedbc fedcb