a-a a-b a-c aaa aab aac aae aaf aas ab- aba abb abc abe abf abs ac- aca acb acc ace acf acs aea aeb aec aee aef aes af- afa afb afc afe aff afs as- asa asb asc ase asf ass baa bab bac bae baf bas bba bbb bbc bbe bbf bbs bca bcb bcc bce bcf bcs be- bea beb bec bee bef bes bfa bfb bfc bfe bff bfs bsa bsb bsc bse bsf bss c-- caa cab cac cae caf cas cba cbb cbc cbe cbf cbs cca ccb ccc cce ccf ccs ce- cea ceb cec cee cef ces cfa cfb cfc cfe cff cfs csa csb csc cse csf css eaa eab eac eae eaf eas eba ebb ebc ebe ebf ebs ec- eca ecb ecc ece ecf ecs eea eeb eec eee eef ees ef- efa efb efc efe eff efs es- esa esb esc ese esf ess faa fab fac fae faf fas fba fbb fbc fbe fbf fbs fca fcb fcc fce fcf fcs fea feb fec fee fef fes ffa ffc ffe fff ffs fsa fsb fsc fse fsf fss saa sab sac sae saf sas sba sbb sbc sbe sbf sbs sca scb scc sce scf scs se- sea seb sec see sef ses sfa sfb sfc sfe sff sfs ss- ssa ssb ssc sse ssf sss

-ase a-be aaaa aaab aaac aaae aaaf aaas aaba aabb aabc aaca aacb aacc aace aacf aacs aaea aaec aaes aafa aafb aafc aaff aasa aasc aase aasf aass abaa abab abac abae abaf abas abb- abba abbb abbe abbs abca abcb abcc abcf abcs abec abee abes abff abs- absa abse absf abss acaa acab acac acae acas acba acca accc acce accf accs ace- acea acec aces acfc acfe acfs acsa acsc acse acss aeac aeaf aeas aebs aecb aesc aess afaa afbs afca afcb afcc afcs afee afes affa affc affs afsa afsb afsc asaa asab asac asae asaf asas asba asc- asca ascb ascc asce asea asec asee ases asfa assa assc asse asss baaa baaf baas baba babb babe babs bac- baca bacc bace bacs baes bafc baff basa basc base basf bass bbas bbbb bbbs bbeb bbfc bcaa bcas bcbc bcbs bcca bccc bccs bcec bces bcfc bcsa bcsc bcss beaf beas beba bebb bebe beca becs beeb beef bees befa befe beff bes- besa bese bess bfas bfca bfcs bffs bsaa bsac bsas bscs bsea bseb bsec bsee bses bsfa bsfc bsff bsfs bssc bsse caaa caab caac caaf caas caba cabe cabf cabs cac- caca cacc cace caec caes cafa cafb cafc cafe caff cafs casa casb casc case cass cbac cbbc cbbs cbca cbcc cbce cbcs cbea cbec cbee cbef cbfb cbfc cbsa cbsc cbse ccaa ccab ccac ccaf ccas ccba ccbc ccca cccb cccc cccf cccs ccee ccfa ccfc ccff ccsa ccsf ccss ceac ceas ceba cebs cec- ceca cece cecs ceeb ceec cees cef- cefa cefc cesa cesc cese cess cfaa cfab cfac cfae cfbc cfbs cfca cfcb cfcf cfcs cffb cfsa cfse csaa csab csac csas csbf cscb cscc csce cscf cscs csea csec csee csfc cssa csse eaaf eaba eaca eacc eaec eafb easa ease ebac ebba ebbc ebbs ebcc ebes ebfc ebsa ecaa ecac ecbc ecbe ecca eccb eccc ecce ecef eces ecfa ecfc ecfs ecsa ecsc ecse ecss eeca eecs eeea eeee eees eefa eefe eese efab efas efca efes effa effs efsa esab esac esas esba esbs esca escb esce escs esea esee eses esfs essa esse faaa faac faas faba fabe fabs faca facc face facs faeb faes fafa fafc fafe faff fasa fasc fase fass fcab fcas fcba fcbs fcca fccf fces fcsc feaf feas feba febs fece feeb fees fefc fefe feff fesa fese fess ffcc ffee ffff ffsa ffss fsas fscb fscc fsec fssa fssc fssf sa-c saab saac saae saaf saas saba sabb sabc sabe sabs saca sacc sace sacs saeb saes safa safb safc safe saff sasa sasc sase sasf sass sbaa sbac sbas sbbs sbca sbcc sbcs sbef sbfc sbsa sbse scaa scab scac scaf scas scba sccc scce sccs scea scec scee scfa scfc scfe scsa scsc se-c se-e se-f se-s seaa seab seac seaf seas seba sebe sebs sec- seca secc sece secs seea seeb seec seef sees sefa seff sesa sesc sese sess sfas sfba sfbc sfca sfcc sfcs sffc sfss ssaa ssab ssac ssas ssca sscc ssce sscs ssec ssee sses ssfc sssa sssb sssc sssf ssss

-aaa- a-sea aaaas aaace aaaee aaasa aaass aabaa aabba aabfs aacbc aaces aacsa aacsb aacss aaeaf aasee abaab ababa ababe ababs abaca abacs abasa abase abass abbac abbas abbes abcas abccc abeba abebe abece abees abfab abffs absee acaca acacb acase acass accas aceae acfas aeaea aebbe aebsf aface afcea afcec afefe asaba asabc asafa asafe asasa asbca asce- ascea assab assac assaf assas assce asse- asses b-cas baabe babas babbs babec babee babes bacab bacas bacca bacea baffa baffs basab basca bases bassa basse bbbee beafe bease bebes becca beeac beebe beebs beefs beffe besaf besas besee bessa besse bface bsaba c-a-c ca-ca caaba cabas cabse cacas caec- caeca cafes caffa caffe caffs casas casca case- casea cases casse cbeff ccass ccccc ceace ceaes cease cebas cebec cebes ceeac ceese cesce cesse csaba cscae eases easse ecasa eecca eeeee esafe escae escas esces esses essse fabae fabas fabes facea faces faffs fafsa fasse fc-sb fcaca feces feebs feese fesca fessa fesse fface saaba saabs saafe saaff saasa saase sabac sabas sabca sabce sabef sabes sabsa sacae sacas sacbe sacc- sacca sacsa safes saffa saffe sasca sases sassa sasse sbase scabs scace scafa scafe scaff scase sccbc scsaa se-ac seaca seace seaes sease sebae sebba sebbe sebes secas secca seeas seebe seeca seece seesa seese sefes seffe sesac sesce sesea seses sessa sesse ssafa sscac sssss

aaaaba ababsa abacab abacas abases abassa abbace abbasa abbass abbess abcess abesse abscss acasa access acesas aeacea aeaces afassa afeefa