a-do aaaa aaab aaad aaam aaba aabb aabd aabm aada aadu aama aamb aamd aamo aaoo abaa abab abad abam abau abb- abba abbb abbo abda abdo abdu abma abmb aboa abob abod aboo abou abua abud abum adaa adab adad adam adao adba adda addd addo addu adma admb adob adod adoo adua adub amaa amad amam amb- amba ambo ambu amda amdo amm- amma ammo ammu amob amod amoo amou amua amud amum aoba aoma auaa audo auma baaa baad baam baba babb babm babo babu bada badb badd bado badu bama bamb bamm bamu bau- baud baum bbad bbau bbbb bbdd bbdo bmaa bmdb boab boad boba bobb bobo bobu boda bodb bodo bodu boma bomb bomu boob bood boom boua boud boum buad buba bubb bubo bubu buda budb budd budo budu bum- buma bumb d-bo daab daad daam daau daba dabb dabo dabu dada dado dadu dama damb damm damo damu daou daub daud daum dddd ddub dmaa dmab dmba doab doba dobb dobu dod- doda dodd dodo doma domb domm domo doob dood doom doub doud doum duaa duab duad dub- duba dubb dubu duda dudd dudo dudu duma dumb dumm duo- maaa maad maam maba mabo mabu mada madb madd mado mama mamo mamu maua maud maum mbam mbba mbda mbdb mbou mddm mdma mdud mmaa mmab mmda mmdb mmmd mmmm mmod moaa moab moam moba mobb mobo moda modd modo modu moma momo momu mooa moob mood moud mubo muda mudd mudu muma mumm mumo mumu oaau oadm oama obad obba obbo odam odbo odda oddd odma odom odoo odou odum omam omao ombo ombu omda omdb omma omo- omoa omoo omuo ooaa ooba ooda ooma oooo ouad ouma ouu- uaua ubba ubbo ubod ubud udaa udad udau udma udoo umaa umb- umba umbo umma ummo uomo uuuu