eeeee eener eepee ekene ekker ekren ekuku ekuru enker enku enper enpeu enure enurn epeen epene epuku epure ereen erere ernen eruke eupen eurre k-p-r keene keepe keere kenku kenne keppe kerek keren kerep kerne kernu kerre kneen kneep knepp knurr kreek kreep kreke krenn krepe kreuk krunk krupp kruun kukup kukur kunek kunen kuner kunku kunne kunur kupen kuper kuppe kupur kurek kuren kurku kurne kurre kuruk kurup n-p-n neere neker neper neppe neree nerre nerur neuen neuer neueu neune neur- neure nu-nu nuker nunun nupen nupur nure- nurek nuruk nurun p-n-p p-rep peeke peene peere pekre pene- pener penne penre penup penur pepee peppe pepup peren perer perke perne perre perun perur peure pre-k preen preke prene prenk prepn preuk prnek pruen prun- prune puker punee punne punuk puppe puree puren purer purku purre re-up reene reepe reere reken rekke rekne rekun renee rener renke renku renne repen reppe repun rere- reree rerun reuen reuer reune rnpep ruere rueun ruken rukke runer runne runup rupee ruper ueken ukeep ukeke unerp unken unker unkur unnun unnur unpen unpeu unrep unrun unurn upenn uppen upper uprun urker urkun urpek urupe uuuuu