hhhhh ho-ho ho-oh hohos hokku hooks hoops hoosh hopko hoppo hopps hopup hosho hosps hossu houss huhuh huhus hukok husks husos k-pop khoku khush ko-ko kokko kokos kokou koksu kooks koops koosh kopps kosho koshu kosku kosso kukko kukok kuksu kukup kushk kusuh kusuo kuusk oh-oh oh-ok oh-so ohohs ohuus okoho okpho okuku ooooh ooooo opoho opoku oppos ososo ossos osusu oukup ouphs phos- phoss po-po pokou poohs poopo poops popop popos poppo popup posho poush pouss pskhu psoup pukus puppo push- pusku s-k-o shhhh shokk shoko shoku shook shoop shoos shops shosh shoup shous shuko shush skoko skopo skosh so-ho so-so sohos sokho sokos sooks sopho sophs soppo sopup soshu soss- sosus souho souks soups sous- sphos spook sposh sposo ssssh sssss ssukh sukho sukko sukuh sukuk supps susso susuk susus u-pop uh-oh uh-uh uhhoh uhhuh uhohs uhuhs us-ks ushus uskok uskup uuuuu