c-cor c-p-c c-pop ccccc cech ceche ceco- ceere ceoce ceoor ceppo cerc- cerce cerco cerec cerer cero- ceroc cerou cerre cerro chech cheep cheer cheho chehr cheo chepe chepo chere chero cherp cheru cheue chher choco choop choor chope chor- chore choro choue choup chueh chupe chupp chur- chure churr churu co-co co-op cocc- cocce cocco coceo coche cocur coepe coeur cohee cohoe cohoo cohue cooch cooee cooer coope coore copce copec coper coppe coppo copr- copre copro copur corce core- coree corer coreu coro- corop corpe corre couch couco couer couhe coupe coure couru cphpc crece creep creer creo- creop crepe crepu creu- creue creup croce croco crooe croop cropc crope cropo crore croup cruce cruor crupe crure cuche cuero cueup cuoco cuore cuper cupr- cupro curce curch curer curre curro curup e-pro eccho eccup ecorp eeeee eepee eocho eochu eorre eperc epher epheu ephor epoch epure erech erere eroor erore error eucre euro- europ eurre h-cho hcooh he-he he-ro hecco heche hecup heepe heere heore hepco heper hepro herce heroe herre herro herur heuch heuer heure hhhhh hhour ho-ho ho-oh hocco hoche hohoe hooce hooch hooer hoope hoore hopeh hoper hoppe hoppo hopup horce horch horhe horre horro horru horup houce houch houpe hourc houre hreoc hrere hroch hrrep hu-pe hucch huche hucho hueco huere huhuh hupeh huppe hureh hurre hurup huuru occur ocher ochre ochro ocoee ocree oeco- oeppo oh-oh ohchr ohour oo-er oocre ooher ooooh ooooo opepe opere ophep ophur opoho opper orcop orech oreco oreo- orere orero oroch oroco oroer orphe oruce oruch oruro ouche oucho ouoro ouphe ource oure- p-rep pecco peche peece peere pepco pepee peppe pepup perce perch perec perer perho perou perre perro peruc perur peuce peure phccc phecc pheer pheo- phere phore phrop phuoc po-po poche pocho pocop poher pooch pooer poope poopo poore popco poper popop poppe poppo popup porch porco porcu porec porer poro- porro porur pouce pouch pouer poupe poure prece preco preop proch proer proor prop- prope propp propr prore pruce puech puero puppe puppo purce puree pureh purer puro- purre r-co- re-up recce recco recep reche recue recur reece reech reepe reere reerh rehco reher rehoe rehue repco repec repop repor reppe repro rere- reree reuer rheo- rhoeo rhppc ro-ro rocco roche rocor rocou roero rohru rooer roope roore rooue roper roppe rorer rouch rouer rouhe roure rprop rucer ruche ruere rupee ruper rurec u-cee u-pop ucero uchee ucheh uchuu uh-ee uh-oh uh-uh uhecr uhhoh uhhuh uhuru uouee upc-e upher upper urech ureo- urour uruce urucu urupe uuuuu