bbbbbb bhutto bo-hoo bogoro booboo boohoo borbor borogo bororo borugh boruth bothr- botoro boubou bought bougou bourgh bourou bourth boutob brohug broogh brotto brough brubru brught brutto btooth bububu bugbug bugout burbot burbur burgoo burgor burhou burotu burutu butbro buttto buutuo go-out gobbur gogbot gogoro gohort googoo gooroo gorgor gothot gotour gotout gourou grooth grotto grough grouth grugru gubgub gurbru gurugu guthro gutrot guttur h-hour hhgttg hogoro hohhot hohoho hoohoo hooroo horgr hororo horror hortor hotbot hotoro hottot hottub houtou htruth hubbub hububb huh-uh huhhot huoguo hurroo hurth huthur huthut obourg obturb ohohoh ohtoto oohooh oooooo orrho- orrour ortho- ortug ottoor outour outtro rhobtb rhogog robo-g roboto roogoo rotgut rotour rotout rotrou rought routot rubbot rubout rubro- rubutu ruhroh rurutu rutour thgttg thoght thogur thorgh thoro- though thourt thouth throut thrugh thught thurbo thurgh toboot togout togrog tohoro toohot tootoo torgot torgut tororo toroth tortor tortou totoro totrot tougbo tought touhou tourou toutou toutuo troggu troght trotro trough tuborg tugrug tuotuo turbo- turbot turgor turgot turgut turtur tururu tutour tuttut u-boot uh-huh urhobo urughu utouth utroor