bbbb bbdd bbdo bblb bboy bbyo bd-r bdry bldr blob blod bloo blou bloy blub blud blur bly- bobb bobo bobu boby bodb bodo bodu body bold boll bolo bolu boly boob bood bool boor bor- bord boro borr boru bory boud boul bour bouy boyd boyl boyo brdo brdy brob brod brol broo bror brou brrr brud bry- bryd bryo bubb bubo bubu budb budd budl budo budu budy bulb buld bull bulu buol buoy bur- burb burd burl buro burr buru bury buyl buyo buyu byld byob byod byol byrd byul byyd d-bo dboy dddd ddly ddry ddub dlbd dobb dobl dobu doby dod- dodd dodo dody dold doll dolo dolu doly doob dood dool door dord doro dorr doru dory doub doud doul dour douy doyl doyo drob drod drol drou droy drub druu dry- dub- dubb dubu duby dudd dudo dudu dull dulo dulu duly duo- duro duru dury duul duur duyl duyr dybu dydd dyll dyo- dyoo dyor dyou dyr- dyrb dyro dyru dyur dyyr lblr ldry lldb llll llod lloo llud llyr lob- lobb lobo loby lold loll lolo loly loob lood lool loor lord loro lory loud loul lour louu loyd lrdd lrrr lrry luby ludd ludo lull lulu lurd lury lydd lyly lyo- lyro obbo obby oblu obol obor oboy obro odbo oddd oddy odly odoo odor odou odrl odry odur odyl odyr olbo olby oldb oldy ollo olly olor olry olur ooby oold oolo oooo oord oory orbb orbo orbu orby ordo ordu orlo orlu orly oro- oror oroy orro orry orub ould oulu our- ouro ouu- ouyr oyly oyou rbbb rbbr rob- robb robo robu roby rodd rodo rody rold roll rolo roly roob rood rool roor roro roru rory roub roud roul rouy royd royl rrrr rubb rubu ruby rudd rudl rudo rudy rull rulo ruly ruoy rurd ruro ruru ruud ruyd ruyl rydy ryob ubbo ublo ubly ubod ubud udoo ullo ullr ully ulo- ulul uor- urdu urdy uro- urol uroo urry urur uulu uuuu uydo ybor ybry ydul yobo yodo yold yoll yolo yoly yood yool yord yoro yory youb youd youl your yoyo yrly yubu yudo yudu yulo yulu yurd yury yuyu yyyy