eez-eh ekero ephree epopee heehee hehehe hehheh heopop hepper hereke herero herher heroor hezreh hohoho hokpok hoohoo hooker hookor hoopee hooper hoopoe hoopoo hooroo hopper horeke hororo horror keeker keeper kehrer keokee kepper kerker kerzeh kheper khoker khoper khoroo kokkoh kokopo kokoro kokpek kookoo koopoo kopeek koreke korere korero korkor kororo korphe korreh korrek kreker krekez kreope krokek o-hook ohohoh ohpooh okerer okopek okpoko oohooh ookroo oooooo orozko orpeko orphee orrho- ozzero peeker peepee peeper peerer pepero pepkor pepper perere peroke peroor perore perper perree perrhe pheeze phoro- pookoo pooper poopoo poorer popopo poporo popper poppop porker ppoker pppppp pre-op preeze preore prezzo proker prokke prokop proper proph- propho propre prozor reeker reeper rehook rehoop rehope repope repper roeper roepke rokker rokkor rooker roopee roopek rooper roozer rorek rozzer zeekoe zehrer zekeze zero-k zezere zohreh zoozoo zopper zorzor