eeuler efeler effere eggler eleele elegug erguel euller feeler fegele felger feller ferfel ferfer fergee ferrel ferrer ferrur ferule flegel flegge fleure flugel flugge flurre freele frefre freure fueler fuffle fugger fuggle fugler fulgur fuller furfur furler furrer furrfu geegee gefell geffel gegger gelgel geller gerege gerful gergel gerger geruge geufer geulle gleere glufer gluffe glurge greefe greffe greful greger gregge gregre greuel gruffe grugru grulle guegue guerre guffer guggle guggul gugler gulgul guller gurfel gurgel gurgle gurugu leeful leeger leelee leerer leffel lefull legger legree lueger luffer lufful luggee lugger lugulu luguru luller lurgee lurulu reefer reeffe reegle reeler reeuel refeel refeff refell reflee reflue refuel refuge refurl reggel regleg reglue regufe releef reller relleu rereel rerule reuele reuere reugle reuler reulle reurge rueful ruelle ruffer ruffle rugger ruggle ruller ugurlu urgell urgull uruffe