c-cor c-p-c c-pop ccccc ccrcl clodo cloop cloor cloud clour clurr co-co co-op cocc- cocco cocol cocur codco codo codru coll- colld collo colo- colop color colp- colpo colup colur coold coolo coord coppo copr- copro copur corlu coro- corod corol corop corrl couco could coull courd courl couru croco crodo croll crood crool croop cropc cropo croud croul croup crudo crull cruor cullu culur cuoco cupr- cupro cupul curll curlo curlu curro curup d-cru d-loc d-rod ddddd do-do do-ol dodol dodoo dodro dollo dollu dolor dolpo doodo dorud doull douro droll drood drool droop drop- dropo droul droup ducor duddo dudou duduc dullu duplo duroc l-pop loco- locro loddo lodro lollo lolol loord lopou lopud lorup lourd louro lucur luddu luluc lulul lupul lurup occur ocllo ocul- oculo oddup oddur odolo odoul odour odudu oduro ollup ollur olord olour ooooo oopod opdoc oploo opodo oppol orcop ordoc ordro orduc orlop oroco orodo orold orolu oruro oullo ouoro ourol ploop plopp plopu ploud plupp po-po pocol pocop podo- podol podor podul polco pollo pollu polod polop polur poopo popco poplr popop poppo popup porco porcu poro- porro porur poulp prodd proll prolo proor prop- propl propp propr proud pudor pudur pull- pullu puppo puro- purul r-co- rcolo rdllr ro-ro rocco rocor rocou rodl rodoc rodor rollc rollo roodu roull rprop rucul rullo u-pop udol udoll ullur uloop ulpur ululu uluru up-do updoc upolo upolu urour urucu uuuuu