d-rod ddddd ddrmm ddrum do-do do-ol dodol dodoo dodro dollo dollu dolor doodo dorud dorum doull doumu douro drmom droll drom- dromo drood drool droom droul droum drumm duddo dudou dullu dumlu dumol duomo durum loddo lodro lollo lolol loord lorom lorum lourd louro luddu lulom lulul mlord mmmmm mo-do modom modum modur mold- mollo mollu molor momlu moold mooll moolu mooro mordu mormo moror morou morro morum mould moulu mrmom mrorr muddu mullo mulur mumlu mummu murdo murdu murlo murol murom muror murro murru murud murum oddur odlum odolo odoom odoul odour odudu oduom oduro ollur olmod olomu olord olour olumu omoro omulu ooooo ordro orm-d ormod ormur orodo orold orolu oromo orrum oruro oullo ouoro ourol rdllr rlmdl ro-ro rodl rodor rollo rolmo roodu roomu roull roumm rullo rummo rummu rumor ruomu udol udoll ullur ulrum ululu uluru umour umudu urour uuuuu