bbbb bbdd bbdo bblb bboy bbyo bdii bibb bibi bibl bibo bidi bido bidu bild bili bill bilo bilu bily bio- bioi biol biou blio blob blod bloo blou bloy blub blud bly- bobb bobi bobo bobu boby bodb bodi bodo bodu body boi- boid boii boil boiu bold boli boll bolo bolu boly boob bood bool boud boul bouy boyd boyi boyl boyo bubb bubi bubo bubu budb budd budi budl budo budu budy buid buiu bulb buld buli bull bulu buol buoy buyi buyl buyo buyu byil byld byob byod byoi byol byul byyd d-bo dboy dddd ddly ddub dibb dibo diby didi dido didu didy diii dili dill dilo dily diol diou diyi diyu dlbd dlib dlii dlil dobb dobi dobl dobu doby dod- dodd dodi dodo dody doid doil dold doli doll dolo dolu doly doob dood dool doub doud doul douy doyl doyo dub- dubb dubu duby dudd dudo dudu duid duil duli dull dulo dulu duly duo- duul duyl dybu dydd dyio dyll dyo- dyoo dyou i-by ibdo ibid ibly ibuy ibyi iddo idid idil idio idli idly idol idub iduo idyl iiii iiio iioi iioo ilio ill- illd illi illo illy iloo ilud iluy iobi ioby iod- iodd iodo ioii ioio iolo iooi iooo iuiu libo libu lidb lidl lido liii lilb lili lill lilo lilu lily lio- liod liyl liyu lldb llll llod lloo llud lob- lobb lobi lobo loby lodi loid loiu lold loli loll lolo loly loob lood lool loud loui loul louu loyd luby ludd ludi ludo luli lull lulu luyi lydd lyly lyo- obbo obby obid oblu oboi obol oboy odbo oddd oddi oddy odio odiu odly odoo odou odyl oido oiii oily oiyl olbo olby oldb oldy olib olid olio olli ollo olly oobi ooby oodi ooid oold oolo oooo ouii ould oulu ouu- oyly oyou ubbi ubbo ubid ubii ubli ublo ubly ubod ubud uddi udid udoo ulli ullo ully ulo- ulul uulu uuuu uydo ydil ydul yidi yidu yild yili yill yiud ylid ylli yobi yobo yodo yold yoli yoll yolo yoly yood yool youb youd youi youl yoyo yubu yudo yudu yuli yulo yulu yuyu yyyy