de-err deeded deedee deeder deedle deeful defeud deffer defude defule defull delele delful deller delude derere derfde derfel derrer derure deurle dreder drefle dreful dudder duddle dueful dueled dueler duelle duerer duffed duffel duffer duffle dulder duldul dulfer dulful dulled duller dululu durell durfee eddled ederle eeuler efeler effere effude eldred eleele eluded eluder elured eudule euller fedder feddle federd feeded feedee feeder feelde feeled feeler feered felder feldru felled feller ferder ferede ferfel ferfer ferred ferrel ferrer ferrur ferule feuded feudee feuder fleure flurre freele frefre freude freure fudder fuddle fueled fueler fuffed fuffle fulder fulled fuller furdel furder furdle furfur furled furler furred furrer furrfu ledder leeder leeful leelee leered leerer leffel lefull luffed luffer lufful lulled luller lurulu redded redder reddle reddur redele redell redere redler redred redure reeded reedel reeder reedle reefed reefer reeffe reeled reeler reeuel refeed refeel refeff refell reffed reflee reflue refuel refurl releef reller relleu rereel rerule reuele reuere reuler reulle rudder ruddle rudrur rueful ruelle ruffed ruffer ruffle ruller udullu urdeur uruffe