a-ak a-be aaaa aaab aaac aaae aaap aaba aabb aabc aabp aabt aaca aacb aacc aace aack aacp aact aaea aaec aaep aage aaka aake aapa aapc aapt aata aatc aatk aatt abaa abab abac abae abag abak abap abat abb- abba abbb abbe abbt abca abcb abcc abcp abct abec abee abet abpa abpc abpp abta ac-t acaa acab acac acae acag acap acat acba acca accc acce accp acct ace- acea acec acek acet acga acke acpa acpe acpt acta actc acte actg actt aeac aeap aecb aect aega aeka aeta aetc aett agac agag agap agat agba agca agcc agce agct agea agee agep aget agga agge agta agte akaa akae akap akca akee akeg akka akte apac apak apap apat apba apbg apca apcb apcc apea apec apeg apep apet apga apke appa appc appt apta aptc apte aptt at-t ataa atab atac atae atak atap atat atca atcc atck atea atec atee atep atka atkt atta atte attp baaa baak baat baba babb babe bac- baca bacc bace back bact baek baga bage bagg bagt bak- baka bake bakt bapa bapc bape bapp bapt bata batc bate batt bbbb bbeb bbet bbga bcaa bcap bcat bcbc bcbg bcbp bcca bccc bcec bcet bcpp bctc beag beak beap beat beba bebb bebe beca beck beeb beeg beek beep beet bega begg beka beke beta betc bete bett bgca bkpg bkpt bpcp bpea btaa btbp btcc btec btek bttb caaa caab caac caap caat caba cabe cabg cac- caca cacc cace cack caec caga cage cagg caka cake capa capb capc cape capp capt cat- cata catb catc cate catt cbac cbat cbbc cbca cbcc cbce cbcp cbct cbea cbec cbee cbet cbga cbgb cbka cbkg cbpc cbpp cbta cbtc ccaa ccab ccac ccag ccap ccat ccba ccbc ccca cccb cccc cccp ccee ccga ccgc ccgt ccpa ccpe ccpp cctb cctc cctt ceac ceat ceba cebp cec- ceca cece cecp cect ceeb ceec cege ceke cepa cepc cepe cepp cept cet- ceta cete cetp cgac cgap cgcc cgcg cgtp ckac ckat ckbc ckbe ckck ckga ckpc ckpg cktb cpaa cpac cpag cpap cpbc cpca cpce cpea cpeb cpep cpga cpgb cppa cptp ctab ctae ctag ctba ctca ctcp ctec ctep ctge ctpp ctta eaba eaca eacc eaec eaga eage eapc eapp eata eate ebac ebba ebbc ebcc ecaa ecac ecat ecbc ecbe ecca eccb eccc ecce ecct ecka ecpa ecpg ecpp ect- ecta ectc eeca eeea eeee eega eeka eeke eeta eetc eete egaa egae egat egba egbe egcc egcg egea egec egee eggb egge eggp egpa egpb egpe egta egte egtk eka- ekab ekeb ekek eket ekka ekpe ekta epaa epac epcc epec epee eppa eppc eppp epta epte etag etak etap etat etbc etcc etec etee etka etta ette gaap gaba gabb gabe gabp gabt gace gack gaea gaec gaga gage gagg gapa gape gapp gapt gata gatc gate gatt gbag gbap gc-c gcaa gcap gcat gcbc gccc gcet gcpc gctc geab geat geba gebe geca gece geck geek geep geet gege gegg gepa gepe geta getb gete getg getk gett ggbt gggg gpaa gpac gpca gpgp gtaa gtap gtea gtta kaaa kaab kaag kaak kaap kaat kaba kabb kabc kabe kabg kacb kacc kace kacp kact kaep kaet kag- kaga kagb kagc kage kagg kagt kaka kakc kake kakk kakt kap- kapa kapc kape kapg kapp kapt kat- kata katb katc kate katg katk katp katt kbaa kbab kbac kbae kbak kbap kbat kbba kbbb kbbc kbbe kbbg kbbk kbbt kbca kbcb kbce kbck kbct kbeb kbec kbee kbek kbet kbga kbgb kbge kbgg kbgt kbkb kbkg kbkk kbpa kbpc kbpe kbpg kbpk kbpt kbta kbtb kbtc kbte kbtk kbtt kcaa kcab kcac kcap kcat kcba kcbc kcbk kcca kccb kccc kcck kcct kcea kceb kcec kcee kceg kcep kcet kcgc kckc kckk kcpa kcpc kcpt kcta kctb kctc kcte kea- keag keak keap keat keba kebb kebc kebe kebt keca kecg keck keek keep keet kega kege kegg kegk keka kekb kekc keke kep- kepa kepc kepe kept ket- keta ketc kete ketk ketp kett kgab kgac kgak kgba kgbb kgbc kgbt kgcb kgcc kgce kgeb kgec kget kgga kggg kgpe kgpg kgpt kgtk kkaa kkac kkag kkap kkat kkba kkbb kkbe kkbg kkbt kkcb kkck kkct kkea kkeg kkgb kkkk kkpc kkpk kkpt kktc kktk kpac kpae kpak kpat kpba kpbb kpbe kpbg kpcc kpek kpet kpga kpgb kpge kpgg kpgt kpke kpkk kppc kppk kppp kpte kptt ktaa ktae ktag ktak ktap ktat ktba ktbb ktbc ktbg ktbt ktcc ktce ktck ktea ktec ktee kteg ktek ktep ktga ktge ktgg ktkb ktkc ktke ktkk ktkt ktpa ktpk ktpt kttc kttg kttk kttp kttt paag paak paap paat paba pabt paca pace pack pact paea paec paep paga pagb page paka pake papa papb pape papg papp pata pate patt pbac pbcc pbgc pbpa pbpk pcaa pcae pcap pcba pcbc pcca pccc pcce pcea pcep pcgg pcpb pcpp pcte peab peac peag peak peap peat peba peca pece peck pect peec peek peep peet pega pegg peka peke pekk pepa pepe peta pete pett pgaa pgcc pgce pkge ppac ppap ppcc ppga pppa pppp ppta pptt ptab ptak ptca ptcc pttc pttk taa- taag taat taba tabb tabc tabe taca tacc tace tack tact taec taga tage tagg taka take takk takt tapa tape tapp tapt tata tatb tate tatt tbca tbcb tbcc tbce tbta tbtp tcap tcca tccc tcep tcga tcpa tctc teac teak teat teba teca teck tect teec teek teet tega tegg tegt teka teke tepa tepe tepp teta tete tett tgcc tgtc tkac tkkg tpac tpap tpbg tpck tpcp tpeg tpke tppa tppp tpte tptp ttab ttbb ttcp ttkg tttt