b-r-k bbook bcock bo-bo bobko boboc bobok bobr bocom bocor bokko bokok bokor bombo boock booco booko boomb boort booru borbo borck borko borku bormo boro- borok borom boroo borot borou borro borum borut botok botom botou botro bottu bouck bouko bouto brcko brmmm brobo brock brom- bromo brook broom broto brouk brout brrrr bruck brumm btr-t bucco bucko bucku bucum bucur bukk- bukom bukor bumbo bumbu burck burcu buroo burro burru burtt buruc buruk burut butko buto- butor butot butou butuo butut c-cor ccccc co-bo co-co cobot cocc- cocco cockt cocom cocto cocum cocur cokk- cokot combo comco commo commr comot comu- cookt coomb corbo corbu corm- cormo coro- corot corto corum cott- cotto cottu couco coumb courb court couru couto coutu crock croco crokt cromb cromo crook croom croot crott crouk croum crout cruck crumb cruor ctcum cubo- cubot cubub cucuk cukor cumbo cumbu cumm- cumo- cuoco cuomo curro curto cutco cutcu cutro cutto k-rob k-t-b ko-ko kobru kobuk kokko kokor kokot kokou kokum kokur kokut kombo kombu komku kooru korbo korck korku korom koror korro kortu koruk kotor kotto kottu kotur kouto krock kromo kroot krout krtok krumm kruto kubok kucuk kukko kukok kukur kumbo kumru kumuk kurbu kurku kuruc kuruk kutob kuttu kutum kutur mboro mburu mccoo mmccc mmmcc mmmmm mobor mobot mobro mocco mock- mockt mokko mokro mokuk mokum mombo mombu momot moock mookk mooro mooto morbo mormo moroc moror morou morro morum morut moto- motoc motor motru motto mottu mrcub mrmom mrorr mt-tc mt-tk mt-tm mt-tr mt-tt mtoto mucko muco- mucor mucro muctc mucum mucur mukot mukto mukur mumbo mumcu mummu mumok murck murko murom muror murot murro murru muruk murum murut muto- mutum mutuo muuto o-r-b obock oboro obout obrok obrom occur ockro ocr-b octo- octor okbut okkur okobo okoc okoro okrut oktmo okubo okuku okuru omoro omoto omout omuku ooooo orbom orbot orkom orkut ormoc ormur orobo oroco oromo orout orrum ortok ortoo oruku oruro orutu otcbb otoku otomo ototo otour otrok ottom ottur oubut ouoro outro outto r-co- rmutt ro-ro robbo robo- robor robot robrt robur rocco rocko rocor rocou rokkk rokot rokto roomu rorbu rotko roto- rotor rotot rotto roubt rouko roumm routt rt-rk rubor rumbo rummo rummu rumor ruomu ruutu tbtbt tbutt tcobb tcutk tobor tobot tobou tocco toco- tocut tokko toko- tokor tokuo tokur tombo tombu tomko tommo tomo- tomom tomor tomuk torob torok torro torto tortu toto- totok totoo totum touck touro trboc trbuk trock troco tromm trott troum trout trubu truck truco truro ttttt tu-mo tubo- tubou tuctu tucum tukmo tukur tumbo tumbu tummo tumor tumut tuomo tuotu turbo turbt turck turco turko turku turoc turok turot turro turtu turut tutku tutor tutto tuuru ubobo ukobu umbro umour urkut uroob urour urubu urucu urutu utro- utror utrum uttur uturu ututo uuork uuuuu