a-be a-ya aaaa aaab aaad aaae aaba aabb aabd aaby aada aade aadu aaea abaa abab abad abae abau abay abb- abba abbb abbe abby abda abdu abdy abed abee abey abua abud abue abuy abye abyy adaa adab adad adae aday adba adda addd adde addu addy adea adeb adee adey adua adub adue adya adye aeby aede auaa aube auby aude ayad ayay ayda ayed ayub ayya baaa baad baba babb babe babu baby bada badb badd bade badu bady baed bau- baud baya baye bayu bbad bbau bbay bbbb bbdd bbeb bday bead beau beay beba bebb bebe beby beda bede bedu beeb beed beey beya beye buad buba bubb bube bubu buda budb budd bude budu budy buea bueu buyu byde byed byyd daab daad daae daau daba dabb dabu dada dade dadu dady daeb daeu daub daud daue daya daye dayu dday dddd ddub dead deae deau deba debe debu deby deda dedd dede dedu deeb deed deua deue deya deye duaa duab duad dub- duba dubb dube dubu duby duda dudd dude dudu duey dya- dyab dyad dybe dybu dydd dyde dyea dyed dyey eaba eada eadb eadd eady ebay ebba ebby ebed ebya edad eday edda edde eddy ede- edea eeby eede eedu eeea eeee euba eude eyeb eyed eyey uaua ubay ubba ubbe ubud udaa udad udau uday udea ueba ueda uuuu uyea yaba yada yade yadu yaud yaue yaya yayu ydad yday ydee ye-u yead yedd yede yeed yeue yeye yuba yubu yuda yude yudu yuea yued yuya yuye yuyu yyyy