d-rod ddddd ddrmm ddrum do-do do-ol dodol dodoo dodro dollo dollu dolor dolpo dompu doodo dorud dorum doull doumu douro drmom droll drom- dromo drood drool droom droop drop- dropo droul droum droup drumm duddo dudou dullu dumlu dumol duomo duplo durum l-pop loddo lodro lollo lolol loord lopou lopud lorom lorum lorup lourd louro lpmud luddu lulom lulul lupul lurup mlomp mlord mmmmm mo-do modom modum modur mold- mollo mollu molor momlu moold mooll moolu mooro mopup mordu mormo morop moror morou morro morum morup mould moulu mpdrm mrmom mrorr muddu mullo mulur mumlu mummu muppu murdo murdu murlo murol murom muror murro murru murud murum murup oddup oddur odlum odmrp odolo odoom odoul odour odudu oduom oduro ollup ollur olmod olomu olord olour olumu omoro omulu omupo ooooo oopod oploo opodo oppol oppum opump ordro orlop orm-d ormod ormur orodo orold orolu oromo orrum oruro oullo ouoro ourol plomp ploop plopp plopu ploud plump plumr plupp po-po podo- podol podom podor podul pollo pollu polod polom polop polur pomor pompu pomum poopo poplr popop poppo popup poro- porro porum porur poulp prodd proll prolo promo proor prop- propl propp propr proud pudor pudur pull- pullu puppo purmo puro- purul purum rdllr rlmdl ro-ro rodl rodor rollo rolmo rompo rompu roodu roomu roull roumm rprop rullo rummo rummu rumor rumpo ruomu u-pml u-pop udol udoll ullur uloop ulpur ulrum ululu uluru umour umudu up-do upmod upolo upolu urour uuuuu