c-cor ccccc cfhof cfour choco choff choof choor chor- choro chuff chur- churr churu co-co cocc- cocco cocur cofur cohoo cooch corfo corfu coro- corvo couch couco couru crhov croco cruor cuoco curch curro forch forro foruh forur forvo fouch fourh fouro fu-fu fuchu fuco- fuoco furch furo- furor h-cho hcooh hhhhh hhour ho-ho ho-oh hocco hofuf hooch horch horro horru houch houff hourc hrhov hroch hucch hucho huhuh huuru occur ochro offof ofour oh-oh ohchr ohfoo ohour ooooh ooooo oovoo orfor oroch oroco oruch oruro oucho ouoro r-co- ro-ro rocco rocor rocou rocov rofor rohff rohov rohru rouch ruffo rufo- uchuu ufofu uh-oh uh-uh uhhoh uhhuh uhuru urour urucu uuuuu uvrou vooru vouch