bbbbbb bhutto bo-hoo booboo boohoo bootup borbor bororo boruth bothr- botoro boubou bourou bourth boutob brorup brotto brubru brutto btooth bububu burbot burbur burhou burotu burrup burutu butbro buttto buutuo h-hour hohhot hohoho hoohoo hoopoo hooroo hop-up hopout hororo horror hortor hotbot hotoro hotpot hottot hottub houtou htruth hubbub hububb huh-uh huhhot hurroo hurth huthur huthut obturb ohohoh ohpooh ohtoto oohooh oooooo oporto optoro optout orrho- orrour ortho- ottoor outour output outrup outtop outtro phobo- phobot phoro- photo- phthor poboru poopoo pop-up popbot popopo poporo popout poppop poptop pottop poupou pppppp probot proph- propho propup propur proto- prutot pupput purpur put-up puthur putour putout putput puttoo puttur rhobtb roboto rootup rotour rotout rotrou routot rub-up rubbot rubout rubro- rubutu ruhroh ruptor rurutu rutour thoppu thoro- thorup thourt thouth throop throut thrupp thurbo to-put toboot tohoro toohot tootoo top-up toporu topout toppop tororo toroth torpor tortor tortou tot-up totopo totoro totrot touhou tourou toutou toutuo troph- tropo- troppo trotro tuotuo turbo- turbot turtur tururu tutour tuttut u-boot uh-huh up-put uppoor upprop uproot urhobo uruppu utouth utroor