c-p-c c-pop ccccc cech ceche ceco- ceoce ceppo chech check cheek cheep cheho chekc cheke cheo cheok chepe chepo cheue chock choco choke chokh choko chook choop chope choue chouk choup chuck chueh chuek chuko chupe chupp chuuk co-co co-op cocc- cocce cocco coceo coche cocke coepe cohee cohoe cohoo cohue cokk- cooch cooee cooke coope copce copec coppe coppo couch couco couhe coupe cphpc cuche cucuk cueup cuoco eccho eccup eecke eeeee eepee eheke ekeko ekuku eocho eochu epheu epoch epuku h-cho hcooh he-he hecco heche hecke hecup heepe hekk- hekou hepco heuch hhhhh hkcee ho-ho ho-oh hocco hoche hocke hoeke hohoe hokke hokku hooce hooch hooke hoope hopeh hopko hoppe hoppo hopup houce houch houck houpe hu-pe hucch huche hucho hueck hueco huhuh hukok hupeh huppe k-pop keche keech keeho keepe kehek kehoe kekec kepco keppe khoku ko-ko kocek kochu kocke koech koepp kokko kokou kopce kopec kopek koppe kouch koupe kuche kuchu kucuk kuheh kukec kukko kukok kukup kupce kuppe ocoee oeco- oeppo oh-oh oh-ok okcho okeke okoc okoho okpho okuku ooooh ooooo opepe ophep opoho opoku ouche oucho oukup ouphe pcock pecco peche pecke peece peeke pekoe pepco pepee peppe pepup peuce phccc phecc pheo- phuck phuoc po-po poche pocho pocko pocok pocop pokou pooch pooke poope poopo popco popek popop poppe poppo popup pouce pouch pouck pouke poupe pucko puech puppe puppo u-cee u-pop uceku uchee ucheh uchku uchuu uh-ee uh-oh uh-uh uhhoh uhhuh ukeep ukeke uouee upc-e uuuuu