b-r-k bbook bdoor bo-bo bobko bobok bobr bodd- bodog bodom bodor bodum bogor bogu bogud bogur bokko bokod bokok bokor bombo booko boomb boord booru borbo bordo borgo borgu borko borku bormo boro- borod borok borom boroo borou borro borum boudu bouko bourd bourg brmmm brobo brodd brodo brom- bromo brood brook broom broud brouk brrrr brud- brugg brumm buddu budko budur bugok bugoo bukk- bukom bukor bumbo bumbu buord burgk burgo burgu buroo burro burru burud buruk d-rod d-rok ddddd ddrmm ddruk ddrum dguok do-do dobok dobro dodoo dodro dogbo doggo dokdo dokuo doodo dooku dorog dorud doruk dorum doumb doumu douro drbob drmom drobo drog- drogo drom- dromo drood droog drook droom droug drouk droum drugu drumb drumm du-ku dubbo duddo dudok dudou duduk dukku dumbo dumog duomo durok durum gboko go-go go-oo gobbo goddo godor gogok gogro gombo gomor gomur goobo goodg goodo goord gordo gorgo gorod gourd grgur grodd grogg grokk gromo grood grook groom groud grrrr grubb grumo gubbo gubru guddu gudok gudur gukgo gumbo gummb gummo gurko guroo gurro gurum gurur k-b-d k-rob ko-ko kobru kobuk kodok kodom kodur kogro kokko kokor kokou kokum kokur kombo kombu komku koogu koord kooru korbo korgu korku korom koror korro koruk koudo krodo kromo krumm kubok kudou kudum kudur kugur kukko kukok kukur kumbo kumdo kumru kumud kumuk kurbu kurgo kurku kurud kuruk m-dog mbogo mboro mburu mkuog mmmmm mo-do mobor mobro modok modom modum modur mogod mogok mokko mokro mokuk mokum mombo mombu moogo mookk mooro morbo mordu mormo moror morou morro morum mrmom mrorr muddu mudug mugur mukur mumbo mummu mumok murdo murdu murgo murko murom muror murro murru murud muruk murum o-dog o-r-b obodo oboro obrok obrom obudu oddur odoom odour odudu oduom oduro ogogo ogugu okkur okobo okoro okrog okrug okubo okuku okuru ombud omoro omuku ooooo orbom ordro orkom orm-d ormod ormur orobo orodo oromo orrgo orrum oruku oruro ouoro ro-ro robbo robo- robor robur rodbo rodok rodor rokkk roodu roomu rorbu rouko roumm rubor rudkk rudok rumbo rummo rummu rumor ruomu u-dub u-god ubobo ugro- ugrug ukobu ukodo ukuug umbro umour umudu urdog urduk uroob urour urubu uuork uuuuu