bloom bloor blorb blort bloto blott blout blurb blurr blurt bluto bo-bo bobr boll- bollo bollu bolto bombo bomlo boomb boort booru borbo bormo boro- borom boroo borot borou borro borul borum borut botom botou botro bottu boul- boulo boult bouml bouto brmmm brobo broll brolo brom- bromo brool broom broto brout brrrr brull brumm btr-t bulb- bull- bulou bulto bulul bulut bumbo bumbu buolt burol buroo burro burru burtt burut buto- butor butot butou butuo butut lbomb lobbo lobo- lobor lollo lolol lombo lomut loobu loomb lorom lorum lorut lotor lotru lotto louro lubur lulom lulul lumb- lumbo lumut lutol lutto lutum mbolo mboro mbulu mburu mmmmm mobor mobot mobro mollo mollu molor molto mombo mombu momlu momot mooll moolu mooro mooto morbo mormo moror morou morro morum morut moto- motol motor motru motto mottu motul moult moulu mrmom mrorr mt-lb mt-tm mt-tr mt-tt mtoto mtrol mullo mult- mulur mumbo mumlu mummu murlo murol murom muror murot murro murru murum murut mutlu muto- mutum mutuo muuto o-r-b obolo oboro obout obrom ollur olomu olotu olour olumu omoro omoto omout omulu ooooo orbom orbot ormur orobo orolu oromo orout orrum ortoo oruro orutu otolo otomo ototo otour ottom ottur otulu oubut oullo ouoro ourol outro outto rmutt ro-ro robbo robo- robor robot robrt robur rollo rolmo roomu rorbu roto- rotol rotor rotot rotto roubt roull roumm routt rubor rullo rumbo rummo rummu rumor ruomu rutul ruutu tbolt tbtbt tbutt tllbr tobol tobor tobot tobou tolbo tollo tolmo toloo tolor tolu- tombo tombu tommo tomo- tomol tomom tomor toolt torob torro torto tortu torul toto- totoo totum toull touro troll tromm trott troul troum trout trubu trull truro ttttt tu-mo tubo- tubou tubul tulor tulou tulum tumbo tumbu tummo tumor tumul tumut tuomo tuotu turbo turbt turot turro turtu turul turut tutor tutto tuuru ubobo ubolt ullur ulrum ululu uluru umblu umbro umour uroob urour urtlu urubu urutu utro- utror utrum uttur uturu ututo uuuuu