c-cor c-evo ccccc cech ceche ceco- ceere ceoce ceoor cerc- cerce cerco cerec cerer cero- ceroc cerou cerre cerro cervo chech cheer cheho chehr cheo chere chero cheru cherv cheue cheve chher choco choor chor- chore choro choue chueh chur- chure churr churu co-co cocc- cocce cocco coceo coche cocur coeur coeve cohee cohoe cohoo cohue cooch cooee cooer coore corce core- coree corer coreu coro- corre corve corvo couch couco couer couhe coure couru couve coveo cover crece creer creo- creu- creue creve crhov croce croco crooe crore crove cruce cruor crure cruve cuche cuero cuevo cuoco cuore curce curch curer curre curro curve cuvee cvrce eccho ecorv eeeee eevee eever eocho eochu eorre erech erere ereve eroor erore error euchv eucre euro- eurre evere evero everr eveve evoor evour h-cho hcooh he-he he-ro hecco heche heere heore herce heroe herre herro herur herve heuch heuer heure hever hhhhh hhour ho-ho ho-oh hocco hoche hoeve hohoe hooce hooch hooer hoore hoove horce horch horhe horre horro horru houce houch hourc houre houve hover hreoc hrere hrhov hroch hucch huche hucho hueco huere huevo huhuh hureh hurre huuru occur ocher ochre ochro ocoee ocree oeco- oh-oh ohchr ohour oo-er oocre ooher ooooh ooooo oovoo orech oreco oreo- orere orero oroch oroco oroer oruce oruch oruro orveh ouche oucho ouoro ource oure- ouver ouvre oveco over- overo r-co- recce recco reche recue recur reece reech reere reerh reeve rehco reher rehoe rehue rere- reree reuer revco rever revue rheo- rhoeo ro-ro rocco roche rocor rocou rocov roero rohov rohru rooer roore rooue roove rorer rouch rouer rouhe roure rover rucer ruche ruere ruhve rurec u-cee ucero uchee ucheh uchuu uh-ee uh-oh uh-uh uhecr uhhoh uhhuh uhuru uouee urech ureo- urour uruce urucu uuuuu uvrou vecer veche vecov veeco veere veeve verch verco verre verve veuve vevce veveo vever voche voere voore vooru vorce vorre vouch vouhe voure vrech vuere vuver