c-cor ccccc cech ceche ceco- ceere ceoce ceoor cerc- cerce cerco cerec cerer cero- ceroc cerou cerre cerro chech cheer cheho chehr cheo chere chero cheru cheue chher choco choor chor- chore choro choue chueh chur- chure churr churu co-co cocc- cocce cocco coceo coche cocur coeur cohee cohoe cohoo cohue cooch cooee cooer coore corce core- coree corer coreu coro- corre couch couco couer couhe coure couru crece creer creo- creu- creue croce croco crooe crore cruce cruor crure cuche cuero cuoco cuore curce curch curer curre curro eccho eeeee eocho eochu eorre erech erere eroor erore error eucre euro- eurre h-cho hcooh he-he he-ro hecco heche heere heore herce heroe herre herro herur heuch heuer heure hhhhh hhour ho-ho ho-oh hocco hoche hohoe hooce hooch hooer hoore horce horch horhe horre horro horru houce houch hourc houre hreoc hrere hroch hucch huche hucho hueco huere huhuh hureh hurre huuru occur ocher ochre ochro ocoee ocree oeco- oh-oh ohchr ohour oo-er oocre ooher ooooh ooooo orech oreco oreo- orere orero oroch oroco oroer oruce oruch oruro ouche oucho ouoro ource oure- r-co- recce recco reche recue recur reece reech reere reerh rehco reher rehoe rehue rere- reree reuer rheo- rhoeo ro-ro rocco roche rocor rocou roero rohru rooer roore rooue rorer rouch rouer rouhe roure rucer ruche ruere rurec u-cee ucero uchee ucheh uchuu uh-ee uh-oh uh-uh uhecr uhhoh uhhuh uhuru uouee urech ureo- urour uruce urucu uuuuu