c-cor ccccc cccii cciii ccxii ceci- cecie ceco- cecri ceere ceoce ceoor cerc- cerce cerci cerco cerec cerer ceric cerie cerio cero- ceroc cerou cerre cerro cicer ciceu cieux circe circo cirex ciric cirie cirio cirr- cirri cirro co-co cocc- cocce cocci cocco coceo cocio cocir cociu cocur coeur coice coire coiro cooee cooer cooie coore corce core- coree corer coreu corex corie corio coro- coroi corre corri couco couer coure couri couru coxie crece creer creio creo- creu- creue creux crice crier crio- croce croci croco croix crooe crore cruce cruex cruor crure cucei cucui cuero cuire cuoco cuore curce curer curic curie curio curre curri curro ecori eeeee eerie eieio eirie eorre erere erice erier eriic erio- erixx eroor erore error eucre eurex euric euro- eurre ex-ic excur execx exore iceci icici icier iecee ieiri ierei ieroe iiiee iiiii ioooi ioooo iorio ircii irece irico irori irour iurie occii occur ocice ocoee ocree ocrie oeco- oeiro oo-er oocre ooioo ooooo oorie oreco oreo- oreoi orere orero orexo orice oroco oroer oroix oroux oruce oruro ouir- ouoro ource oure- ouric ourie oxxio r-co- rcirc recce recco recio recue recur reece reere reice reorx rere- reree reric rerir reuer reuir rexer ricci ricco ricer riceu rieux rioux ririe riuer rixoi ro-ro rocco rocio rociu rocor rocou roero roeux rooer roore rooue rorer roric rouer roure roxie roxio rucci rucer ruere ruiru rurec ruric u-cee ucero ucoii uiro uouee ureic ureo- uric- urour urric uruce urucu ururi uuuuu xciii xeric xero- xerox xexeu xexex xorro xoxox xuixo xxiii xxxii xxxix