ddddd dhoop dhupu do-do doddy dodoo dohop dohyo doodo doody doppy douyu doyou duddo duddy dudou duppy dupuy hhhhh ho-ho ho-oh hoddu hoddy hodod hoody hoppo hoppy hopup huddy hudud huhuh huppy huyou hydoy hyphy hypo- hyppo o-hoy oddup odudu oh-oh ohyou ooooh ooooo oopod opodo opoho opypy po-po poddy podo- pohoy poopo poopy popop poppo poppy popup poyou puddy puhoy puppo puppy puyoo u-pop uh-oh uh-uh uhdoh uhhoh uhhuh up-do uuuuu y-o-u yo-ho yo-yo youdo youdu youph youup yuppy