bbbb bbdd bbdo bd-r bdii bdmi bdrm bibb bibi bibo bidi bido bidr bimo bio- bioi birb bird biri biro birr bmdb bmir bmmi bobb bobi bobo bodb bodi bodo boi- boid boii boim bomb bomi boob bood boom boor bor- bord bori borm boro borr brdm brdo brid brim brio brob brod brom broo bror brrm brrr d-bo dddd dibb dibo didi dido diii dimi dimm dimo dior dird dirr dmrb dobb dobi dod- dodd dodi dodo doid domb domi domm domo doob dood doom door dord dori dorm doro dorr drib drob drod drom ibbm ibdo ibid ibim ibrd ibri ibro idbm iddm iddo idid idio idir idro iiii iiio iioi iioo imbi imdb imdi imid imir immi immo imod imri imro imrr iobi iod- iodd iodo ioii ioio iomo iooi iooo iori irbm irdo iri- irid irio irmo irob irod irri mbdb mbim mbio mddm mdii mid- midi mido miii miio mim- mimd mimi mimo mio- mird miri miro mirr mmdb mmdi mmii mmmd mmmm mmod mmor mobb mobi mobo modd modi modo moii moio moir momi momo moob mood moor morb mord mori moro mrbb mrbm mrdd mrmd obbo obid oboi obor obri obro odbo oddd oddi odio odir odmr odom odoo odor oido oiii oimb ombo omdb omid omim omio omo- omoi omoo omor omri omro oobi oodi ooid oooo oord orbb orbi orbo ordo ori- orid orio ormo oro- orom oror orri orro rbbb rbbr rdbm rdio rib- ribo ridd ridi rido rimi rimm rimo riom riri rob- robb robi robo rodd rodi rodo roid roio roir romb romd romi romm romo roob rood rooi room roor rori roro rrrr