a-ak a-be aaaa aaab aaae aaap aaba aabb aabp aabt aaea aaep aage aaka aake aapa aapt aata aatk aatt abaa abab abae abag abak abap abat abb- abba abbb abbe abbt abee abet abpa abpp abta aeap aega aeka aeta aett agag agap agat agba agea agee agep aget agga agge agta agte akaa akae akap akee akeg akka akte apak apap apat apba apbg apea apeg apep apet apga apke appa appt apta apte aptt at-t ataa atab atae atak atap atat atea atee atep atka atkt atta atte attp baaa baak baat baba babb babe baek baga bage bagg bagt bak- baka bake bakt bapa bape bapp bapt bata bate batt bbbb bbeb bbet bbga beag beak beap beat beba bebb bebe beeb beeg beek beep beet bega begg beka beke beta bete bett bkpg bkpt bpea btaa btbp btek bttb eaba eaga eage eapp eata eate ebba eeea eeee eega eeka eeke eeta eete egaa egae egat egba egbe egea egee eggb egge eggp egpa egpb egpe egta egte egtk eka- ekab ekeb ekek eket ekka ekpe ekta epaa epee eppa eppp epta epte etag etak etap etat etee etka etta ette gaap gaba gabb gabe gabp gabt gaea gaga gage gagg gapa gape gapp gapt gata gate gatt gbag gbap geab geat geba gebe geek geep geet gege gegg gepa gepe geta getb gete getg getk gett ggbt gggg gpaa gpgp gtaa gtap gtea gtta kaaa kaab kaag kaak kaap kaat kaba kabb kabe kabg kaep kaet kag- kaga kagb kage kagg kagt kaka kake kakk kakt kap- kapa kape kapg kapp kapt kat- kata katb kate katg katk katp katt kbaa kbab kbae kbak kbap kbat kbba kbbb kbbe kbbg kbbk kbbt kbeb kbee kbek kbet kbga kbgb kbge kbgg kbgt kbkb kbkg kbkk kbpa kbpe kbpg kbpk kbpt kbta kbtb kbte kbtk kbtt kea- keag keak keap keat keba kebb kebe kebt keek keep keet kega kege kegg kegk keka kekb keke kep- kepa kepe kept ket- keta kete ketk ketp kett kgab kgak kgba kgbb kgbt kgeb kget kgga kggg kgpe kgpg kgpt kgtk kkaa kkag kkap kkat kkba kkbb kkbe kkbg kkbt kkea kkeg kkgb kkkk kkpk kkpt kktk kpae kpak kpat kpba kpbb kpbe kpbg kpek kpet kpga kpgb kpge kpgg kpgt kpke kpkk kppk kppp kpte kptt ktaa ktae ktag ktak ktap ktat ktba ktbb ktbg ktbt ktea ktee kteg ktek ktep ktga ktge ktgg ktkb ktke ktkk ktkt ktpa ktpk ktpt kttg kttk kttp kttt paag paak paap paat paba pabt paea paep paga pagb page paka pake papa papb pape papg papp pata pate patt pbpa pbpk peab peag peak peap peat peba peek peep peet pega pegg peka peke pekk pepa pepe peta pete pett pgaa pkge ppap ppga pppa pppp ppta pptt ptab ptak pttk taa- taag taat taba tabb tabe taga tage tagg taka take takk takt tapa tape tapp tapt tata tatb tate tatt tbta tbtp teak teat teba teek teet tega tegg tegt teka teke tepa tepe tepp teta tete tett tkkg tpap tpbg tpeg tpke tppa tppp tpte tptp ttab ttbb ttkg tttt