c-p-c ccccc cecun ceene ceere cence ceneu cenpn cerc- cerce cerec ceren cerer cerne cerre cneru cnnnn crece creen creep creer cren- crepe crepu creu- creue creup crnce crnec crner cruce crune crupe crure cueup cunne cuper cupr- curce curer curre curup eccen eccup eeeee eence eener eepee encre encup encur enper enpeu enure enurn epeen epene eperc epure ereen erere ernen eucen eucre eupen eurre n-p-n ncree necr- neece neere neper neppe neree nerre nerur neuen neuer neueu neune neur- neure nu-nu nunce nunun nupen nupur nurce nure- nurun p-n-p p-rep peece peene peere pence pene- pener penne penre penup penur pepee peppe pepup perce perec peren perer perne perre peruc perun perur peuce peure prece preen prene prepn pruce pruen prun- prune punce punee punne puppe purce puree puren purer purre re-up recce recen recep recue recur reece reene reepe reere rence renee rener renne repec repen reppe repun rere- reree rerun reuen reuer reune rnpep rucer ruere rueun runcu runec runer runne runup rupee ruper rurec u-cee uncup unerp unnun unnur unpen unpeu unrep unrun unurn upc-e upenn uppen upper uprun uruce urucu urupe uuuuu