bdoor bhood bhoom bhoun bhour bhrrd bo-bo bo-ho bobr bodd- bodom bodor bodum bohon bohor bohun bombo bomoh bondo bonon bonou bonud bonum boodh boomb boond boord boorn booru borbo bordo bormo born- borno bornu boro- borod borom boron boroo borou borro borum borun boudh boudu bound bourd bourn brmmm brobo brodd brodo brohm brohn brom- bromo brond bronn brood broom broon broud broun brrrr brud- bruhn brumm brunn bruno bruun bubon buddh buddu budur bumbo bumbu bundu bunud bunun buoho buono buord burn- buron buroo burro burru burud burun d-rod dbdmh ddddd ddrmm ddrum dhobb dhond dhoom dhoon dhubb dhuhr dhumm dhund dhunn dmdnb do-do dobro dodon dodoo dodro dohrn domon domun dondo donho donon donor donum doodo doorn dorno doron dorud dorum doumb doumu douro drbob drmno drmom drobo drom- dromo drood droom droon drouh droum droun drumb drumm dubbo dubno dubon duddo dudon dudou duhon dumbo dundo dunno dunod dunum dunun duomo durno duron duruh durum hbomb hburn hhhhh hhour hnnbo ho-ho ho-oh hobor hobro hobub hoddu hodhr hodod hodur hohum homo- honbu hondo honno honor honud hoond hoord hoorn hornb horno horod horom horon horro horru hound hourd hubur hudud hudur huhuh humbo humor humur huorn hurm huron hurum huuru mboro mburu mdrnr mhorr mmhmm mmmmm mo-do mobor mobro modom modon modum modur mohon mohor mohun mohur mombo mombu mondo monno mono- monod monon monor monro moorn mooro morbo mordn mordu mormo moron moror morou morro morum morun mound mourn mrmom mrorr muddu mudon mudun mumbo mummu mumun mundh mundo mundu munro murdo murdu murom muron muror murrh murro murru murud murum nbomb ndour nduru nnooo no-do no-no nobob nobuo noduh nodum nohno nohom nohor nommo nomo- nomom non-u nondo nonno nonoh noonu noord norbu nordo norm- noron norro norum norun nu-nu nudum nudur nuhuh nunon nunun nuodb nuoro nurmo nurun o-bon o-hum o-r-b obhor obodo oboro obrom obudu oddur odoom odour odudu oduom oduro oh-oh ohmmm ohorn ohour ohrob ohrum ombud omoon omoro omron onhbo onmod onmun onond onoon onorn onour oohdm ooooh ooooo orbom ordon ordro orm-d ormod ormur ornon orobo orodo oromo orono orrum oruro oudon ouoro ourno rhod- rhodo rhomb rhoon rhumb rmnmn ro-ro robbo robo- robon robor robun robur rodbo rodon rodor rohob rohod rohru rohun romon rondo ronno roodu roomu roond rorbu roumm round rubon rubor rudno ruhnu ruhub rumbo rummo rummu rumor rundu runo- runon ruomu u-dub ubobo uh-oh uh-uh uhdoh uhhoh uhhuh uhuru umbro umhum umour umudu unbud undub undun undur unnun unnur unoor unorn unruh unrun unurn uroob urour urubu uuuuu