a-ak a-ya aaaa aaab aaap aaba aabb aabp aaby aaka aapa abaa abab abak abap abay abb- abba abbb abby abpa abpp abyy akaa akap akay akka apak apap apay apba appa appy ayay ayya baaa baak baba babb baby bak- baka bapa bapp baya bbay bbbb bpay kaaa kaab kaak kaap kaay kaba kabb kaby kaka kakk kap- kapa kapp kaya kbaa kbab kbak kbap kbay kbba kbbb kbbk kbkb kbkk kbky kbpa kbpk kbpy kbya kbyb kkaa kkap kkay kkba kkbb kkkk kkpk kkya kkyy kpak kpay kpba kpbb kpkk kpky kppk kppp kpyk kyaa kyak kyap kyay kyba kybb kybp kyby kyka kykk kyky kyp- kypa kypb kyya kyyk kyyy paak paap paba paka papa papb papp papy pay- paya payb payp pbpa pbpk ppap pppa pppp pyay pykk pypy yaak yaba yaka yapa yapp yaya yyyy