a-ya aaaa aaab aaad aaaf aaba aabb aabd aabt aaby aada aadt aafa aafb aafd aaff aata aatf aatt abaa abab abad abaf abat abay abb- abba abbb abbt abby abda abdy abff abta abyt abyy adaa adab adad adat aday adba adda addd addy adfa adta adya adyt afaa afad afat afdb affa afft affy afta afty at-t ataa atab atad atat atay atdt atfb atta atty atya ayad ayat ayay ayda ayta ayya baaa baad baaf baat baba babb baby bada badb badd bady baff baft bata batf batt baty baya bayt bbad bbay bbbb bbdd bday bfta bftt btaa btaf btdt bttb byyd daab daad daba dabb dabt dada dady dafa daff daft data datt daya dayt dbtt dday dddd dfaf dfdt dffa dtaa dya- dyab dyad dyaf dyat dybt dydd dyf- dyt- dyty faaa faad faba fabd fada fadd fady fafa faff fata fatf fatt faya fayd fayt fday ffff fftf ftfy taa- taaf taat taba tabb taby tada tafa taff taft tata tatb tatt taty taya tayt tayy tbaf tbta tbyf tddb tdff ttab ttbb ttfa ttff tttt ttyd tydd tydy tyff tyft tyta tytd tytt tyty yaaf yaba yada yafa yaff yaft yata yaya ydad yday ydyt ytay yyff yyyy