eeeee eeler eener efere effer efren efuru ekene ekker ekren ekuku ekuru elele elene elfen elken ellek ellel ellen eller ellul elren elulu eluru enfer enfeu enker enku enlen enuff enure enurn ereen erere erkel erlen ernen ernle eruke euell eulen euler eurel eurre feele feeln feere felle fenek fener feneu fenne ferel feren ferle ferr- ferre feuer feule fleek fleen fleer fleke flene flenu flere flerk fleuk fleur fluff fluke flunk flure flurn flurr freek freel freer freke frenk frere freur fu-fu fulen fulke fulle fullf funel funen funke furel furen keefe keele keene keere kefee kelek kelen kelle kelun kenel kenku kenne kerek kerel keren kerle kerne kernu kerre klefe klene klenk klerk kluke klunk kneel kneen knele knell knuff knurl knurr kreef kreek kreel kreke krele krell krenn kreuk krnel krull krunk kruun kukel kukle kukur kulen kullu kulne kulul kulun kulur kunek kunen kuner kunku kunne kunur kurek kuren kurku kurlu kurne kurre kuruk leeke leell leere lefeu leffe leful lekel lekeu leleu lelle lenek lenne leren lerer lerne leuk- leuke lueen luen lufre luken luker lukre lulle lulul lunel lunne luren lurer lurne lurue lurun neele neelu neere nefen nefer neffe nefre neker nelle nellu neree nerre nerul nerur neuen neuer neueu neune neur- neure neurl nfler nu-nu nuell nuker nulle nunun nure- nurek nurlu nuruk nurun reefe reene reere refel refen refer reffe refne rekel reken rekke rekle rekne rekun relee relek relue renee rener renfe renke renku renne rere- reree rerun reuel reuen reuer reule reune ruele ruell ruere rueun ruffe rukel ruken rukke ruler runer runne ruule ueken uelen uelfe ufere ukeke ulene ulken ulker ullur ululu uluru unfun unfur unkel unken unker unkle unkur unnun unnur unref unrun unurn urelu urkel urker urkun uuuuu