dododo doorto dorood dororo dotdot dotodo doudou dourou doutou doutro drouot drouth drruth duhour durtro h-hour hodhur hohhot hohoho hohrod hoodoo hoohoo hooroo hororo horror hortor hotoro hotrod hottot houtou htruth hudood huh-uh huhhot hurroo hurth huthur huthut ohohoh ohtoto oohooh oooooo oordoo ordoru orrho- orrour ortho- ortrud ottoor outhud outour outtro rhodo- rorodt rotour rotout rotrou routot rudrur ruhroh rurutu rutour thoro- thourt thouth throut tohoro toohot toothd tootoo torodo tororo toroth tortor tortou totoro totrot toudou touhou tourou toutou toutuo trotro tuotuo turtur tururu tutour tuttut uh-huh utouth utroor