ceecee cerco- cerove cerovo ceruce cocco- cockee cocker cococo coerce coeuve coo-er coocoo cookee cooker cookoo corker corour correk coruco coruro corvee corver coucke cource courr- couvre crcevo crecco creeke crocco crocer croker crooke crouke cruro- cuckoo cuervo curevo curour currer curror cururo curver ecover ekero errour eureko eurock eururo evoker evoure k-rock kecovo keeker keever keokee keokuk kereru kerker kerkuk kerou kerver keuruu kokoku kokoro kookoo koovee koreke korere korero korkor kororo korrek koruru korver kouere koukou kouoro kourou kovrov kovvur krecko kreker krekov krkovo krokek krueck kucevo kukere kukoc kukovo kurkcu kurkov kuroko kurree kururu occour occure ockere ockov ocreo- oeuvre okerer okoure ookroo oooooo orcure orever orrock orrour ouerre overer receve recock recook recore recork recour recreo recrue recuer recure reeker reever reuere reuour reuver revere revoce revoke revver rocker rococo rokker rokkor rokuko rokuro rooker rorek roucou rourke rouvre rovere rucker ruocco rurkee uecker urecco urouer uroure uuvere v-rock veeker veerer vercoe veroor verree verrer verrue verver vervo voceru vocore vucevo vukovo vvvvvv