bbbbbb beebee beefer before beforu befour befree behefe behofe behoof behror berbee berbeo berber berere berour berrer berube beurre bo-hoo bobber boeber boerre bohero boober booboo booher boohoe boohoo booue borbor borfee borore bororo boubou boueer boufee bouffe bouree bourou bourre breefe breere breffo breuer brubru bruree bubber bububu buffer buhrer burbur burfee burhou burree burrer e-four eburru eebree effere effoff effore erbree errour eururo f-hour feeror feofor ferber ferfer ferrer ferro- ferrur foboff foerre foofoo foofur forher forhoo forrer forure foufou four-h fourbe fourer fourof fourou frbroo freebo freeof frefre freure froofe fufore fuhrer furber furfur furore furour furrer furrfu h-hour hebbur heebee heehee heffer hehehe hehheh herber herbor herebo hereof herero herher heroor hobber hoebee hoffer hohoho hoofer hoohoo hooroo hoouer hororo horror hubber hubbub hububb hueber huffer huh-uh hurrer hurroo o-bofe oferre ohohoh oohooh oooooo orrho- orrour ouerre rebore rebour rebuff reefer reeffe refeff refurb rehber reheur rerobe reroof reuere reuour robber roofer rouffe rubbee rubber ruboff rubro- ruffer ruhroh uh-huh urhobo urouer uroure uruffe