ephree epopee errour euphue europe eururo h-hour heehee hehehe hehheh heopop hepper herero herher heroor hoerup hohoho hoohoo hoopee hooper hoopoe hoopoo hooroo hoouer hop-up hopper hororo horror huh-uh hurrer hurroo ohohoh ohpooh oohooh oooooo orphee orrho- orrour ouerre peepee peeper peerer pepero pepper perere peroor perore perper perree perrhe perrou phoro- poeure pooper poopoo poorer pop-up popopo poporo popper poppop pouere poupee poupou pouppe pourer pppppp pre-op preeue preore preoue preue- proper proph- propho propre propup propur pu-hoe puerer purpre purpur purree purrer reeper reheur rehoop rehope repope repour repper repure repuru reuere reuour roeper roopee rooper roupee rouper ruhroh uh-huh uphere uphroe uppoor upprop urouer uroure uruppu