h-hour hohhot hohoho hoohoo hoopoo hooroo hop-up hopout hororo horror hortor hotoro hotpot hottot houtou htruth huh-uh huhhot hurroo hurth huthur huthut ohohoh ohpooh ohtoto oohooh oooooo oporto optoro optout orrho- orrour ortho- ottoor outour output outrup outtop outtro phoro- photo- phthor poopoo pop-up popopo poporo popout poppop poptop pottop poupou pppppp proph- propho propup propur proto- prutot pupput purpur put-up puthur putour putout putput puttoo puttur rootup rotour rotout rotrou routot ruhroh ruptor rurutu rutour thoppu thoro- thorup thourt thouth throop throut thrupp to-put 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 turtur tururu tutour tuttut uh-huh up-put uppoor upprop uproot uruppu utouth utroor