a-do a-ya a-yo aaaa aaab aaad aaba aabb aabd aaby aada aadu aaoo abaa abab abad abau abay abb- abba abbb abbo abby abda abdo abdu abdy aboa abob abod aboo abou aboy abua abud abuy abyy adaa adab adad adao aday adba adda addd addo addu addy adob adod adoo adua adub adya aoba auaa auby audo auoy auyo ay-o ayad ayao ayay ayda ayod ayoo ayou ayub ayya baaa baad baba babb babo babu baby bada badb badd bado badu bady bau- baud baya bayo bayu bbad bbau bbay bbbb bbdd bbdo bboy bbyo bday boab boad boba bobb bobo bobu boby boda bodb bodo bodu body boob bood boua boud bouy boya boyd boyo buad buba bubb bubo bubu buda budb budd budo budu budy buoy buyo buyu byoa byob byod byyd d-bo daab daad daau daba dabb dabo dabu dada dado dadu dady daou daub daud daya dayo dayu dboy dday dddd ddub doab doba dobb dobu doby dod- doda dodd dodo dody doob dood doub doud douy doya doyo duaa duab duad dub- duba dubb dubu duby duda dudd dudo dudu duo- dya- dyab dyad dybu dydd dyo- dyoo dyou oaau obad obay obba obbo obby oboy oday odbo odda oddd oddy odoo odou ooaa ooba ooby ooda oooo ouad ouu- ouya oyda oyou uaua ubay ubba ubbo ubod ubud udaa udad udau uday udoo uuuu uydo yaba yabo yada yado yadu yaou yaud yaya yayo yayu ydad yday yoba yobo yoda yodo yood youa youb youd yoyo yuba yubu yuda yudo yudu yuya yuyu yyyy