c-p-c c-pop ccccc chock choco chokh choko chook choop chouk choup chuck chuko chupp chuuk co-co co-op cocc- cocco cohoo cokk- cooch coppo couch couco cphpc cucuk cuoco h-cho hcooh hhhhh ho-ho ho-oh hocco hokku hooch hopko hoppo hopup houch houck hucch hucho huhuh hukok k-pop khoku ko-ko kochu kokko kokou kouch kuchu kucuk kukko kukok kukup oh-oh oh-ok okcho okoc okoho okpho okuku ooooh ooooo opoho opoku oucho oukup pcock phccc phuck phuoc po-po pocho pocko pocok pocop pokou pooch poopo popco popop poppo popup pouch pouck pucko puppo u-pop uchku uchuu uh-oh uh-uh uhhoh uhhuh uuuuu