bbbb bbdd bbdo bd-r bddh bdii bhir bhoi bhor bibb bibi bibo bidi bido bidr bihi bio- bioi birb bird biri biro birr bobb bobi bobo bodb bodh bodi bodo bohd boho bohr boi- boid boii boob bood booh boor bor- bord borh bori boro borr brdo brid brih brio brob brod broh broo bror brrr d-bo dddd dhod dhor dibb dibo didi dido diii dior dird dirr dobb dobi dod- dodd dodi dodo dohr doid doob dood door dord dori doro dorr drib drih drob drod droh h-ii hbio hdod hdri hhhh hibi hidi hihi hiho hiob hird hiri hiro hobo hodh hodi hodr hoho hoid hoir hood hoor hord hori horo horr hrib hrid hrob hrod ibdo ibid ibrd ibri ibro iddo idid idio idir idro ihdr ihob ihrd iiii iiio iioi iioo iobi iod- iodd iodo ioii ioio iooi iooo iori irdo iri- irid irio irob irod iroh irri obbo obid oboi obor obrh obri obro odbo oddd oddi odio odir odoh odoo odor ohhi ohho ohid ohio ohob ohoh oido oiii oobi oodi ooho ooid oooh oooo oord orbb orbi orbo ordo ori- orid orio oro- oror orri orro rbbb rbbr rboh rdio rhib rhio rhob rhod rhoh rib- ribo ridd ridi rido riho riri rob- robb robi robo rodd rodi rodo rohr roid roio roir roob rood rooi roor rori roro rrrr