eeuler efeler effere eleele euller feeler feelup feller fellup ferfel ferfer ferrel ferrer ferrup ferrur ferule fleure flurre freele freepr freeup frefre freure fruupp fueler fuelup fuffle fuller fullup furfur furler furrer furrfu leeful leelee leeper leerer leffel lefull lepere lepper lerrup luffer lufful luller lurulu peelee peeler peelup peepee peeper peeple peeplu peepul peerer peerle peffer pelele pelfer peller pelure pepful pepper perell perere perlee perper perree perule pleur- pleure plufur plurel pppppp preeue prefer preffe prelle preue- puerer puffer puffup puller pullup pullur pulper purell purler purple purpre purpur purree purrer reefer reeffe reeler reeper reeuel refeel refeff refell reflee reflue refuel refurl releef reller relleu repele repper repple repref repull repulp repure repuru rereel rerule reuele reuere reuler reulle rueful ruelle ruffer ruffle ruller urepel uruffe uruppu