bbbbbb be-bop beebee beefer beefup beeper before beforu befour befree bepoor bepuff berbee berbeo berber berere berour berrer berube beurre bobber boeber boerre boober booboo booue bop-be bopeep bopper borbor boreup borfee borore bororo boubou boueer boufee bouffe bouree bourou bourre breefe breere breffo breuer brorup brubru bruree bubber bububu buffer burbur burfee burpee burper burree burrer burrup e-four eburru eebree effere effoff effore epopee erbree errour europe eururo feeror feofor ferber ferfer ferrer ferro- ferrup ferrur foboff foerre foofoo foofur fopper forrer forure foufou fourbe fourer fourof fourou frbroo freebo freeof freepr freeup frefre freure froofe fruupp fufore furber furfur furore furour furrer furrfu o-bofe oferre ofpoor oooooo orrour ouerre peepee peeper peerer peffer pepero pepper perere peroff peroor perore perper perree perrou poboru poeure poffer poofup pooper poopoo poorer pop-up popfor popoff popopo poporo popper poppop pouere pouffe poupee poupou pouppe pourer pppppp pre-op preeue prefer preffe prefou preore preoue prepub preue- prober probre profer proffe profor profre profur proper propre propup propur pubber pubref puerer puffer puffup purpre purpur purree purrer rebore rebour rebuff reefer reeffe reeper refeff refurb repope repour repper repref repure repuru rerobe reroof reuere reuour robber roeper roofer roopee rooper rouffe roupee rouper rub-up rubbee rubber ruboff rubro- ruffer upbore uppoor upprop urouer uroure uruffe uruppu