bbbb bbdd bbdo bblb bboy bbyo bdii bffl bibb bibi bibl bibo bidi bido biff bifi bild bili bill bilo bily bio- bioi biol blio blob blod bloo bloy bly- bobb bobi bobo boby bodb bodi bodo body bofd boff boi- boid boii boil bold boli boll bolo boly boob bood boof bool boyd boyf boyi boyl boyo byil byld byob byod byoi byol byyd d-bo dbfo dboy dddd ddly dibb dibo diby didi dido didy dif- diff dify diii dilf dili dill dilo dily diol diyi dlbd dlib dlii dlil dobb dobi dobl doby dod- dodd dodi dodo dody doff doid doil dold dolf doli doll dolo doly doob dood doof dool doyl doyo dydd dyf- dyfi dyio dyll dyo- dyoo ffff ffii fidf fido fiff fifi fifo fiii fiil fild fili fill filo flid flii flob flod floo floy flyi fody fofo foid foil fold foli foll folo foly food foof fool foyl fyfi fyld fyli i-by ibdo ibfi ibid ibly ibyi iddo idid idil idio idli idly idol idyl ifbb ifby iffy ifid ifil ifyo iiii iiio iioi iioo ilio ill- illd illi illo illy iloo iobi ioby iod- iodd iodo ioii ioio iolo ioof iooi iooo ldif libo lidb lidl lido liff lifl lifo liii lilb lili lill lilo lily lio- liod liyl lldb llll llod lloo lob- lobb lobi lobo loby lodi loff lofi loid loif lold loli loll lolo loly loob lood loof lool loyd lydd lyff lyfy lyif lyly lyo- lyyf obbo obby obid oboi obol oboy odbo oddd oddi oddy odio odly odoo odyl off- offo offy ofid oido oiii oily oiyl olbo olby oldb oldy olib olid olio olli ollo olly olof olyf oobi ooby oodi ooff oofy ooid oold oolo oooo oyly ydil yidi yiff yild yili yill ylid ylli yobi yobo yodo yoff yold yoli yoll yolo yoly yood yoof yool yoyo yyff yyyy