eeeee eeler eener efere effer efren efuru elele elene elfen ellel ellen eller ellul elren elulu eluru enfer enfeu enlen enuff enure enurn ereen erere erlen ernen ernle euell eulen euler eurel eurre feele feeln feere felle fener feneu fenne ferel feren ferle ferr- ferre feuer feule fleen fleer flene flenu flere fleur fluff flure flurn flurr freel freer frere freur fu-fu fulen fulle fullf funel funen furel furen leell leere lefeu leffe leful leleu lelle lenne leren lerer lerne lueen luen lufre lulle lulul lunel lunne luren lurer lurne lurue lurun neele neelu neere nefen nefer neffe nefre nelle nellu neree nerre nerul nerur neuen neuer neueu neune neur- neure neurl nfler nu-nu nuell nulle nunun nure- nurlu nurun reefe reene reere refel refen refer reffe refne relee relue renee rener renfe renne rere- reree rerun reuel reuen reuer reule reune ruele ruell ruere rueun ruffe ruler runer runne ruule uelen uelfe ufere ulene ullur ululu uluru unfun unfur unnun unnur unref unrun unurn urelu uuuuu