e-four eeuler efeler effere effoff effolo effore eleele eleppo ellore eloper elropo epopee erroll errour euller europe eururo feeler feelup feeror feller felloe fellup feofor ferfel ferfer ferrel ferrer ferro- ferrol ferrup ferrur ferule fleure floree floroe floure fluor- fluoro flurre foelle foerre foller foofle foofoo foofur fooler fopper fopple forrel forrer forure foufou fouler foulup fourer fourof fourou freele freeof freepr freeup frefre freure frollo froofe frrole fruupp fueler fuelup fuffle fufore fuller fullof fullup furfur furler furole furore furour furrer furrfu leeful leelee leeloo leeper leerer leffel lefull leloup leoful leolo lepere lepero lepore lepper lepreo leroro lerrup llello lloro lo-pro loffre loller lollop loloru looloo looper loopre loplop lopoff loppel lopper lorrer louffe loulle loulou louper lourlo luffer lufful luller lupeol lurulu oferre ofpoor oleelo oleole oooooo oppelo oreful orelle orloff orrell orrour ouelle ouerre ouller peelee peeler peelup peepee peeper peeple peeplu peepul peerer peerle peffer pelele pelfer peller peloer pelore pelour pelure people pepero pepful peploe pepper perell perere perlee peroff peroor perore perper perree perrou perule pleur- pleure pleuro plufur plurel poeure poffer poffle polell pollee poller polpol polule poluru poofup pooler pooper poopoo poorer pop-up popfor popler popoff popopo poporo poppel popper popple poppop popule populo porful porule pouere pouffe pouler poulle poulpe poupee poupou pouppe pourer pppppp pre-op preeue prefer preffe prefou prelle preore preoue preue- proell profer proffe profor profre profur proler proole propel proper propre propup propur puerer puffer puffup puller pullup pullur pulper pupelo purell purfle purler purloo purple purpre purpur purree purrer r-loop reefer reeffe reeler reeper reeuel refeel refeff refell reflee refloo reflue refuel refurl releef reller relleu rellou repele repoll repope repour repper repple repref repull repulp repure repuru rereel reroll reroof rerule reuele reuere reufol reuler reulle reulor reuour roelof roeper roffle roflol rolfer rolleo roller rollup roloff roofer roopee rooper ropele rouffe rouful rouler roupee rouper rueful ruelle ruffer ruffle ruller ruurlo ulloor uoluel uppoor upprop uproll urepel urouer uroure uruffe uruppu