a-ak a-be a-ya aaaa aaab aaae aaap aaba aabb aabp aaby aaea aaep aaka aake aapa abaa abab abae abak abap abay abb- abba abbb abbe abby abee abey abpa abpp abye abyy aeap aeby aeka akaa akae akap akay akee akey akka apak apap apay apba apea apep apke appa appy ayay ayya baaa baak baba babb babe baby baek bak- baka bake bapa bape bapp baya baye bbay bbbb bbeb beak beap beay beba bebb bebe beby beeb beek beep beey beka beke beya beye beyk bpay bpea byke eaba eapp ebay ebba ebby ebya eeby eeea eeee eeka eeke eka- ekab ekeb ekek ekka ekpe epaa epee eppa eppp eppy eyak eyeb eyey eyke eype kaaa kaab kaak kaap kaay kaba kabb kabe kaby kaep kaka kake kakk kap- kapa kape kapp kaya kaye kbaa kbab kbae kbak kbap kbay kbba kbbb kbbe kbbk kbeb kbee kbek kbey kbkb kbkk kbky kbpa kbpe kbpk kbpy kbya kbyb kea- keak keap keay keba kebb kebe keek keep keka kekb keke kep- kepa kepe kepy keya keyb keye keyy kkaa kkap kkay kkba kkbb kkbe kkea kkkk kkpk kkya kkyy kpae kpak kpay kpba kpbb kpbe kpek kpke kpkk kpky kppk kppp kpyk kyaa kyak kyap kyay kyba kybb kybe kybp kyby kyee kyka kyke kykk kyky kyp- kypa kypb kype kyya kyyk kyyy paak paap paba paea paep paka pake papa papb pape papp papy pay- paya payb paye payp pbpa pbpk peab peak peap peay peba peek peep peka peke pekk pepa pepe ppap pppa pppp ppye pyay pyep pyke pykk pype pypy yaak yaba yaka yapa yape yapp yaya yeap yeek yeep yeka yeke yepe yepp yeye ykep ykey yyyy