a-be a-do a-ya a-yo aaaa aaab aaad aaae aaba aabb aabd aaby aada aade aaea aaoe aaoo abaa abab abad abae abay abb- abba abbb abbe abbo abby abda abdo abdy abed abee abey aboa abob abod aboo aboy abye abyy adaa adab adad adae adao aday adba adda addd adde addo addy adea adeb adee adeo adey adob adod adoe adoo adya adye aeby aede aoba ay-o ayad ayao ayay ayda ayed ayod ayoo ayya baaa baad baba babb babe babo baby bada badb badd bade bado bady baed baya baye bayo bbad bbay bbbb bbdd bbdo bbeb bboy bbyo bday bead beay beba bebb bebe bebo beby beda bede bedo beeb beed beey beo- beod beya beye boab boad boba bobb bobe bobo boby boda bodb bode bodo body boea boee boeo boey boob bood booe boya boyd boye boyo byde byed byoa byob byod byyd d-bo daab daad daae daba dabb dabo dada dade dado dady daeb daya daye dayo dboy dday dddd dead deae deba debe deby deda dedd dede dedo deeb deed deya deye deyo doab doae doba dobb dobe doby dod- doda dodd dode dodo dody doea doob dood doya doye doyo dya- dyab dyad dybe dydd dyde dyea dyed dyey dyo- dyoo eaba eada eadb eadd eady ebay ebba ebbo ebby ebed eboe eboo eboy ebya edad eday edda edde eddo eddy ede- edea edod eeby eede eeea eeee eode eyeb eyed eyey o-eo oade obad obay obba obbo obby obea obed obey oboe oboy oday odbo odda oddd oddy odea oded odeo odoo oedo oeya oeye oeyo ooaa ooba oobe ooby ooda oooo oyda oyee yaba yabo yada yade yado yaya yayo ydad yday ydee yead yedd yede yedo yeed yeye yeyo yoba yobo yoda yode yodo yood yoye yoyo yyyy