c-p-c ccccc ccell cclef ccrcl ccrel ceele ceere celer cell- celle cerc- cerce cerec cerer cerre cfler clcff cleef cleer clefe clepe clerc clere cpcfc crece creel creep creer crele crell crepe crrel eccle eeeee eeler eepee efere effer elele ellel eller elpee elper elrec eperc erere erpel fclef feele feere felce felle ferce ferel ferle ferr- ferre fleer flere frcpc freel freep freer frere lecce leece leell leere leffe lelep lelle lepel leper leppe lepre lerer p-rep pcell pecel peece peele peell peere peerl pelee peler pelle pepee pepel peple peppe perce perec perel perer perle perre pleep prece preef preff prell prelp prepl recce recep reece reefe reepe reere refel refer reffe relee repec repel reple reppe rere- reree rperf