bbbb bbdd bbdo bboy bbpr bbyo bd-r bdry bobb bobo boby bodb bodo body boob bood boop boor bopp bor- bord boro borr bory boyd boyo bprd brdo brdy brob brod broo bror brrr bry- bryd bryo byob byod byop byrd byyd d-bo dboy dbpd dddd ddpo ddry dobb doby dod- dodd dodo dody doob dood doop door dopo dopp dopr dopy dord doro dorp dorr dory doyo dpyd drob drod drop droy dry- dydd dyo- dyoo dyor dyr- dyrb dyro dyyr obbo obby obor oboy obro odbo oddd oddy odoo odop odor odrp odry odyr ooby oooo oord oory opo- opor oppo oppy opry orbb orbo orby ordo oro- oror oroy orro orry pdpr pobo pod- podd podo pody pood poop poor pop- popo popp popy porb poro porr pory poyo poyr ppod pppd pppo pppp pro- prob prod proo prop prpd prrd pyo- pypy pyr- pyro pyry rbbb rbbr rdbp rob- robb robo roby rodd rodo rody roob rood roop roor ropo ropy roro rory royd rpdp rpob rrrr rybp rydy ryob ybor ybry yobo yodo yood yoop yopo yopy yord yoro yory yoyo yyyy