a-do a-ya a-yo aaaa aaab aaad aaba aabb aabd aabt aaby aada aadt aadu aaoo aata aatt abaa abab abad abat abau abay abb- abba abbb abbo abbt abby abda abdo abdu abdy aboa abob abod aboo abot abou aboy abta abtu abua abud abut abuy abyt abyy adaa adab adad adao adat aday adba adda addd addo addu addy adob adod adoo adot adta adua adub adya adyt aoba aotd aout at-t ataa atab atad atat atay atdt atob atod atot atoy atta atto attu atty atua atub atya auaa auby audo auoy aut- auto auty auyo ay-o ayad ayao ayat ayay ayda ayod ayoo ayot ayou ayta ayto ayub ayya baaa baad baat baba babb babo babu baby bada badb badd bado badu bady bata bato batt batu baty bau- baud baya bayo bayt bayu bbad bbau bbay bbbb bbdd bbdo bboy bbyo bday boab boad boat boba bobb bobo bobu boby boda bodb bodo bodu body boob bood boot bota botb botd boto bott boty boua boud bout bouy boya boyd boyo btaa btdt btob bttb buad buat buba bubb bubo bubu buda budb budd budo budu budy buoy but- buta buto butt buty buyo buyu byoa byob byod byyd d-bo daab daad daau daba dabb dabo dabt dabu dada dado dadu dady daou data dato datt datu daub daud daut daya dayo dayt dayu dboy dbtt dday dddd ddot ddub doab doat doba dobb dobu doby dod- doda dodd dodo dody doob dood doot dota dotd doto dott doty doub doud dout douy doya doyo dtaa dtot duaa duab duad duat dub- duba dubb dubu duby duda dudd dudo dudu duo- duta duty duut dya- dyab dyad dyat dybt dybu dydd dyo- dyoo dyot dyou dyt- dyty oaau oaty obad obay obba obbo obby obdt obot oboy obtd oday odbo odda oddd oddy odoo odot odou odtu ooaa ooba ooby ooda oooo ootb ooty otay otbd oto- otoo otoy otta otto ottu ouad ouat out- outa outb outo outy ouu- ouya oyda oyou taa- taat taba tabb tabo tabu taby tada tado taoa taou tata tatb tato tatt tatu taty taua taub taut taya tayo tayt tayu tayy tbta tddb to-y toab toad toat toau toay toba tobo tobt tobu toby toda todd todo todt todu tody tooa tood toot tota totd toto tott toty tout toya toyb toyo toyt ttab ttbb ttoy tttt ttyd tuao tuat tuay tuba tubb tubo tubu tudu tuta tuto tutt tutu tuty tuuo tuya tybo tydd tydy tyta tytd tyto tytt tyty uata uatu uaua ubay ubba ubbo ubod ubud udaa udad udau uday udoo udot utau utby utoy utto uttu uuta uuuu uydo yaba yabo yada yado yadu yaou yata yaud yaya yayo yayu ydad yday ydyt yoba yobo yoda yodo yood yoot yota yott youa youb youd yout yoyo ytay yuba yubu yuda yudo yudu yuta yuto yutu yuty yuya yuyu yyyy