c-p-c ccccc ccell ccrcl ccrel ceele ceere celer cell- celle cerc- cerce cerec cerer cerke cerre cleck cleek cleer cleke clepe clerc clere clerk cleuk cluck clue- cluer cluke clupe clurr crece creek creel creep creer creke crele crell crepe crepu creu- creue creul creup crrel cruce cruck cruel cruke crule crull crupe crure cucuk cueup cuker culle cullu culpe culur cupel cuper cuple cupr- cupul curce curel curer curle curll curlu curre curup cuuel eccle eccup eckel ecker eckle eecke eeeee eeler eepee ekker ekuku ekuru elele ellek ellel eller ellul elpee elper elrec elulu eluru eperc epuku epure erere erkec erkel erpel eruke eucre euell euler eurel eurre k-p-r kcell kecel kecer keele keepe keere kekec kelce kelek kelep kelle keppe kerek kerel kerep kerle kerre klece klepp klerk kluke kreek kreel kreep kreke krele krell krepe kreuk krull krupp kucer kucuk kukec kukel kukle kukup kukur kullu kulul kulur kupce kuper kuple kuplu kuppe kupur kurek kurku kurlu kurre kuruc kuruk kurup lecce leece leeke leell leere lekel lekeu lelep leleu lelle lepel leper lepke leppe lepre lerer leuc- leuce leuk- leuke leupp lucee lucke lucre lucur luker lukre lulec lulle luluc lulul luper luppe lupul lurck lurer lurue lurup p-rep pcell pckle pclkc pecel pecke pecul peece peeke peele peell peere peerl pekre pekul pelee peler pelle pepee pepel peple peppe pepup perce perec perel perer perke perle perre peruc perur peuce peule peure pleck pleep pleke pluck plupp plurk pre-k prece preke prell prelp prepl preuk prkce pruce pucel puker pulce puler pull- pulle pullu puple puppe purce puree purel purer purku purle purre purul re-up recce recep recke recue recur reece reepe reere rekel rekke rekle relee relek relue repec repel reple reppe rere- reree reuel reuer reule rucer rucul ruele ruell ruere rukel rukke ruler rupee rupel ruper rurec ruule u-cee uccel uccle uceku ucell uclue ukeep ukeke ulcer ulker ullur ulpur ululu uluru upc-e upper urcel urelu urkel urker urpek uruce urucu urupe uuuuu