hhhhh ho-ho ho-oh hohos hooks hooky hoops hoosh hopko hoppo hopps hoppy hosho hosps hoyos hoyss hyphy hypo- hypos hyppo hyps- k-pop ko-ko kokko kokos kooks kooky koops koosh kopps kopys kosho koshy kosky kosso kyoho kyoko o-hoy oh-oh oh-ok oh-so ohohs okoho okopy okoyo okpho okypy ooooh ooooo oopsy opoho oppos opsys opypy ososo ossos oyoko oysho phos- phoss phys- physo physy po-po pohoy poohs pooky poopo poops poopy popop popos poppo poppy popsy posho possy psy-s psyop s-k-o shhhh shokk shoko shook shoop shoos shops shosh skoko skopo skosh skyos skyss so-ho so-so sohos sokho sokos sooks sooky soosy sopho sophs sophy soppo soppy soshy soss- sosyo sphos spoky spook sposh sposo ssssh sssss syops sysop syspo yo-ho yo-yo yohko yokoo yokpo yooks yosoy yoyos ysoop