bdoor blood bloor blorb blurb blurr bo-bo boboc bobr bocor bodd- bodoc bodor boldo boldu boll- bollo bollu booco boold boord booru borbo bordo boro- borod boroo borou borro borul boudu boul- boulc bould boulo bourd brobo brodd brodo broll brolo brood brool broud brrrr brud- brull bucco bucur buddu budoc budur bulb- bull- bulou bulul buord burcu burol buroo burro burru buruc burud c-cor ccccc ccrcl clodo cloob cloor cloud clour clubb clurr co-bo co-co cobol cocc- cocco cocol cocur codco codo codru coll- colld collo colo- color colur coold coolo coord corbo corbu corlu coro- corod corol corrl couco could coull courb courd courl couru croco crodo croll crood crool croud croul crudo crull cruor cubo- cubub cullu culur cuoco curll curlo curlu curro d-cru d-loc d-rod ddddd do-do do-ol dobro dodol dodoo dodro dollo dollu dolor doodo dorud doull douro drbob drobo droll drood drool droul dub-l dubbo dubuc dubul ducor duddo dudou duduc dullu duroc lobbo lobo- lobor locdb loco- locro loddo lodro lollo lolol loobu loord lourd louro lubur lucur luddu luluc lulul o-r-b obodo obolo oboro obudu occur ocllo ocr-b ocul- oculo oddur odolo odoul odour odudu oduro ollur olord olour ooooo ordoc ordro orduc orobo oroco orodo orold orolu oruro oullo ouoro ourol r-co- rcolo rdllr ro-ro robbo robo- robor robur rocco rocor rocou rodbo rodl rodoc rodor rollc rollo roodu rorbu roull rubor rucul rullo u-dub ubobo udol udoll ullur ululu uluru uroob urour urubu urucu uuuuu