l-pop lollo lolol lopou lorom lorum lorup louro lulom lulul lupul lurup mlomp mmmmm mollo mollu molor momlu mooll moolu mooro mopup mormo morop moror morou morro morum morup moulu mrmom mrorr mullo mulur mumlu mummu muppu murlo murol murom muror murro murru murum murup ollup ollur olomu olour olumu omoro omulu omupo ooooo oploo oppol oppum opump orlop ormur orolu oromo orrum oruro oullo ouoro ourol plomp ploop plopp plopu plump plumr plupp po-po pollo pollu polom polop polur pomor pompu pomum poopo poplr popop poppo popup poro- porro porum porur poulp proll prolo promo proor prop- propl propp propr pull- pullu puppo purmo puro- purul purum ro-ro rollo rolmo rompo rompu roomu roull roumm rprop rullo rummo rummu rumor rumpo ruomu u-pml u-pop ullur uloop ulpur ulrum ululu uluru umour upolo upolu urour uuuuu