ccccc ccell cclef ccrcl ccrel ceele ceere cefcu celer cell- celle cerc- cerce cerec cerer cerke cerre cfler cfu-e clcff cleck cleef cleek cleer clefe cleke clerc clere clerk cleuk cluck clue- cluer clufe cluff cluke clurr crece creek creel creer creke crele crell creu- creue creul crrel cruce cruck cruel crufe cruke crule crull crure cucuk cufeu cuffe cufre cuker culle cullu culur curce curel curer curle curll curlu curre cuuel eccle eckel ecker eckle eecke eeeee eeler efere effer efuru ekker ekuku ekuru elele ellek ellel eller ellul elrec elulu eluru erere erkec erkel eruke eucre euell euler eurel eurre fclef feele feere felce felle ferce ferel ferle ferr- ferre feuer feule fleck fleek fleer fleke flere flerk fleuk fleur fluce fluck fluff fluke flure flurr freck freek freel freer freke frere freur fu-fu fulke fulle fullf furel kcell kecel kecer keefe keele keere kefee kekec kelce kelek kelle kerek kerel kerle kerre klece klefe klerk kluke kreef kreek kreel kreke krele krell kreuk krufc krull kucer kucuk kukec kukel kukle kukur kullu kulul kulur kurek kurku kurlu kurre kuruc kuruk lecce leece leeke leell leere lefeu leffe leful lekel lekeu leleu lelle lerer leuc- leuce leuk- leuke lucee lucke lucre lucur lufre luker lukre lulec lulle luluc lulul lurck lurer lurue recce recke recue recur reece reefe reere refel refer reffe rekel rekke rekle relee relek relue rere- reree reuel reuer reule rucer rucul ruele ruell ruere ruffe rukel rukke ruler rurec ruule u-cee uccel uccle uceku ucell uclue uelfe ufere ukeke ulcer ulker ullur ululu uluru urcel urelu urkel urker uruce urucu uuuuu