a-ak a-be a-ok aaaa aaab aaac aaae aaap aaba aabb aabc aabp aabt aaca aacb aacc aace aack aaco aacp aact aaea aaec aaep aaka aake aaoe aaoo aapa aapc aapo aapt aata aatc aatk aatt abaa abab abac abae abak abap abat abb- abba abbb abbe abbo abbt abca abcb abcc abcp abct abec abee abet aboa abob abok aboo abot abpa abpc abpp abta ac-t acaa acab acac acae acap acat acba acca accc acce acco accp acct ace- acea acec acek acet acke acoa acoe acop acot acpa acpe acpt acta actc acte acto actt aeac aeap aecb aect aeka aeta aetc aeto aett akaa akae akao akap akca akee akka akko akok akot akpo akte aoba aoca aoce aokp aopo aotc apac apak apao apap apat apba apca apcb apcc apco apea apec apep apet apke apo- apoc apoe apoo apop apot appa appc appt apta aptc apte aptt at-t ataa atab atac atae atak atap atat atca atcc atck atco atea atec atee ateo atep atka atkt atob atoc atoe atok atop atot atta atte atto attp baaa baak baat baba babb babe babo bac- baca bacc bace back baco bact baek bak- baka bake bako bakt bapa bapc bape bapp bapt bata batc bate bato batt bbbb bbeb bbet bcaa bcap bcat bcbc bcbp bcca bccc bcec bcet bcpp bctc beak beap beat beba bebb bebe bebo beca beck beeb beek beep beet beka beke beko beo- beok beot bepo beta betc bete beto bett bkpt boab boac boak boat boba bobb bobe bobo boca boce bock boco boea boec boee boeo boep boet boka boke boko boob booc booe book boop boot bopa bope bopp bota botb bote boto bott bpcp bpea bpoe bpot btaa btbp btcc btec btek btob bttb c-bo caaa caab caac caap caat caba cabe cabo cac- caca cacc cace cack caco caec caka cake capa capb capc cape capo capp capt cat- cata catb catc cate cato catt cbac cbat cbbc cbca cbcc cbce cbcp cbct cbea cbec cbee cbet cbka cbko cbot cbpc cbpp cbta cbtc ccaa ccab ccac ccap ccat ccba ccbc ccca cccb cccc cccp ccee ccob ccoc ccpa ccpe ccpp cctb cctc cctt ceac ceat ceba cebp cec- ceca cece ceco cecp cect ceeb ceec ceke ceop cepa cepc cepe cepo cepp cept cet- ceta cete ceto cetp ckac ckat ckbc ckbe ckck ckco ckoa ckob ckoc ckoo ckot ckpc cktb coak coat coba cobb cobe cobo coca coce cock coco cocp coct coep cok- coka coke coko coob cook coop coot copa cope copo copp copt cota cotb cotc cote coto cott cpaa cpac cpap cpbc cpca cpce cpea cpeb cpep cppa cptp ctab ctae ctba ctca ctcp ctec ctep ctot ctpo ctpp ctta eaba eaca eacc eaec eaop eapc eapp eata eate ebac ebba ebbc ebbo ebcc eboe eboo ebpo ecaa ecac ecao ecat ecbc ecbe ecca eccb eccc ecce ecco ecct ecka ecko eco- ecop ecot ecpa ecpp ect- ecta ectc ecto eeca eeea eeee eeka eeke eeoc eeta eetc eete eka- ekab ekco ekeb ekek eket ekka ekoa ekpe ekpo ekta eoka eota eotc eoto epaa epac epcc epec epee epoc epot eppa eppc eppo eppp epta epte etak etap etat etbc etcc etco etec etee etka etoe etok etta ette etto kaaa kaab kaak kaap kaat kaba kabb kabc kabe kabo kacb kacc kace kaco kacp kact kaeo kaep kaet kaka kakc kake kakk kako kakt kaoa kaoc kaok kap- kapa kapc kape kapo kapp kapt kat- kata katb katc kate katk kato katp katt kbaa kbab kbac kbae kbak kbap kbat kbba kbbb kbbc kbbe kbbk kbbo kbbt kbca kbcb kbce kbck kbco kbct kbeb kbec kbee kbek kbeo kbet kbkb kbkk kbko kboa kbob kboc kboe kbok kboo kbot kbpa kbpc kbpe kbpk kbpo kbpt kbta kbtb kbtc kbte kbtk kbto kbtt kcaa kcab kcac kcap kcat kcba kcbc kcbk kcca kccb kccc kcck kcct kcea kceb kcec kcee kceo kcep kcet kckc kckk kcko kcob kcoe kcot kcpa kcpc kcpo kcpt kcta kctb kctc kcte kcto kea- keak keap keat keba kebb kebc kebe kebt keca keck keco keek keep keet keka kekb kekc keke keko keok kep- kepa kepc kepe kept ket- keta ketc kete ketk keto ketp kett kkaa kkac kkap kkat kkba kkbb kkbe kkbo kkbt kkcb kkck kkco kkct kkea kkkk kkoa kkob kkoo kkot kkpc kkpk kkpt kktc kktk koab koac koae koak koap koba kobb kobc kobe kobk kobo koca kocb kock kocp koct koea koka kokb kokc koke kokk koko kokp koob kooc kook kooo koop koot kopa kopb kope kopp kopt kota kotb kotc kote kotk koto kott kpac kpae kpak kpao kpat kpba kpbb kpbe kpcc kpek kpet kpke kpkk kpoa kpob kpoc kpoe kpok kpoo kpop kppc kppk kppo kppp kpte kpto kptt ktaa ktae ktak ktao ktap ktat ktba ktbb ktbc ktbt ktcc ktce ktck ktco ktea ktec ktee ktek ktep ktkb ktkc ktke ktkk ktko ktkt ktob ktoc ktoe ktok ktoo ktop ktot ktpa ktpk ktpo ktpt kttc kttk ktto kttp kttt o-eo oake oate obak obba obbo obea obec obet obkb oboe obok obot ocab ocac ocak ocap ocat ocbc occa occc occt oce ocee ocet ocke ocpa ocpp oct- octa octe octo oec- oeca oecc oeec oepa oeta okak okap oket okka okko okok okot okpe okpo okta okto ooaa ooak ooba oobe oooo ootb ootp opap opca opec opep opet opo- oppa oppo opto otac otak otap otea otee otep oto- otoe otok otoo otpp otta otte otto paak paap paat paba pabt paca pace pack paco pact paea paec paep paka pake pako paoc papa papb pape papp pata pate pato patt pbac pbcc pboc pbpa pbpk pcaa pcae pcap pcba pcbc pcca pccc pcce pcea pcep pcoa pcoe pcpb pcpp pcte peab peac peak peap peat peba peca pece peck peco pect peec peek peep peet peka peke pekk peko pepa pepe pepo peta pete peto pett poak poat