c-cor ccccc choco choor chor- chord choro chur- churr churu co-co cocc- cocco cocur codco codo codru cohoo cooch coord coro- corod couch couco courd couru croco crodo crood croud crudo cruor cuoco curch curro d-cru d-rod ddddd dhuhr do-do dodoo dodro doodo dorud douro droch drood drouh ducor duddo dudou duduc durch duroc duruh h-cho hcooh hhhhh hhour ho-ho ho-oh hocco hoddu hodhr hodod hodur hooch hoord horch horod horro horru houch hourc hourd hroch hucch hucho hudoc hudud hudur huhuh huuru occur ochro oddur odour odudu oduro oh-oh ohchr ohour ooooh ooooo ordoc ordro orduc oroch oroco orodo oruch oruro oucho ouoro r-co- rhod- rhodo ro-ro rocco rocor rocou rodoc rodor rohod rohru roodu rouch uchuu uh-oh uh-uh uhdoh uhhoh uhhuh uhuru urour urucu uuuuu