eeeee ekene ekuku elele elene elfen elken ellek ellel ellen ellul elulu enfeu enku enlen enuff euell eulen feele feeln felle fenek feneu fenne feule fleek fleen fleke flene flenu fleuk fluff fluke flunk fu-fu fulen fulke fulle fullf funel funen funke keefe keele keene kefee kelek kelen kelle kelun kenel kenku kenne klefe klene klenk kluke klunk kneel kneen knele knell knuff kukel kukle kulen kullu kulne kulul kulun kunek kunen kunku kunne leeke leell lefeu leffe leful lekel lekeu leleu lelle lenek lenne leuk- leuke lueen luen luken lulle lulul lunel lunne neele neelu nefen neffe nelle nellu neuen neueu neune nu-nu nuell nulle nunun ueken uelen uelfe ukeke ulene ulken ululu unfun unkel unken unkle unnun uuuuu