cervere cocek coercee coercer coppock coreper corokke corpore coverer creeper crevroe crocere crocker crooper cropere cropper e-corce eckero ecoreco eeeroer kee-kee kevoree koepcke kokocko kor-kor korce korkoro korokke kreckov kreeker ockerer okeover okpekpe oreovec orepeer overrev pee-pee peperek perceep perekop perovec perrero perrore pococke poo-poo popovec popover poproc poprock porkcop porpere porpore preckov precoce precook prepere prepper prerock prerov procere procope procore propero propper provoke re-cork recerve recover recovre reevoke repreve reproce reprove reveree reverer revoker rococco roorkee roovere vereker verkerk veroce verrore verveer voreppe