c-cor ccccc ceco- ceere cegge ceoce ceoor cerc- cerce cerco cerec cerer cerge cerke cero- ceroc cerou cerre cerro co-co cocc- cocce cocco coceo cocke cocur coekg coeur cogue coker cokk- cooee cooer cooke coore coorg corce core- coree corer coreu corge corke coro- corre couco couer coure couru crece creek creer cregg creke creo- creu- creue croce crock croco croke crooe crook crore crouk cruce cruck cruke cruor crure cucuk cuero cuker cukor cuoco cuore curce curer curre curro curug ecker eecke eeeee egger egrek ekeko ekker ekuku ekuru eorre erceg erege erere ergo- erkec erkko erkoc eroge eroor erore error erugo eruke eucre euro- eurre gecco gecko geere gegge gekko georg gerce gerke gerok gerre go-go go-oo gocco gocek gocke gocoo gocuk goeke gogok gogro gogue gokce googe goore gorce goree gorer gorge gorgo gorre gouge goure grece greco grecu greek greer grege gregg grego grgur groce grock groge grogg grokk grook groue grrrr grure guce gucer guere guero gukgo guoge gurge gurke gurko guroo gurre gurro gurur k-gee kecer keego keere kegoc kekec kerek kergu kerre ko-ko kocek kocer kocke koege koeru kogge kogoe kogro koker kokko kokor kokou kokre kokur koogu kooru korck korec korek korgu korke korku koror korro korue koruk kouer koure kre-o kreek kreke kreo- kreuk krock kroge kroke kruge kucer kucuk kugur kukec kukko kukok kukur kurek kurgo kurku kurre kuruc kuruk occur ocker ockro ocoee ocree oeco- ogogo ogugu okeke okere okker okkur okoc okoge okoro okreg okrog okrug okuku okuru oo-er oocre ooooo oreck oreco oreo- orere orero orgue oroco oroer oroke orrgo oruce oruku oruro ouoro ource oure- r-co- recce recco recke recog recue recur reece reege reere regec reger regge reggo regur rekke reorg rere- reree reuer ro-ro rocco rocke rocko rocor rocou roero roger rogge rogue rokee roker rokke rokkk rooer rooge rooke roore rooue rorer rorke rouer rouge rouke rouko roure rucer ruegg ruere ruger rugge rukke rurec u-cee uceku ucero ugro- ugrug ukeke ukuug uouee ureo- urger urker urour uruce urucu uuork uuuuu