ceecee cerco- cheche check- checko cheech cheeke cheekh cheere cheero cherch cheree cherke cheroh cherre chocho choke- chokke chooce chooch chooke choore chore- choree choreo choro- chorro cocco- cocher cockee cocker cococo coerce cohere coo-er coocoo coohee cookee cooker cookoo corker correk crecco creche creech creeke crocco crocer croche croker crooch crooke echeck echoer ecoche ecocho ekero erche- erkech hecche hecher hecker heehee heerce hehehe hehheh hereke herero herher herock heroor hkcccc hoccer hocker hocooh hohoho hoohoo hooker hookor hooroo horche horeke hororo horror k-rock kecche keeker kehrer keokee kerche kerker khocho khoker khoroo kocher kokkoh kokoro kookoo koreke korere korero korkor kororo korreh korrek krecko kreker krokek o-hook ocho ochro- ockere ocreo- ohheck ohohoh okerer oohooh ookroo oooooo oreche orrho- orrock recche recock recook recore recork recreo reecho reeker rehook rocher rochor rocker rococo rokker rokkor rooker rorek