c-p-c c-pop ccccc ceco- ceoce ceppo co-co co-op cocc- cocce cocco coceo cocke coepe cokk- cooee cooke coope cooze copce copec coppe coppo cozzo eecke eeeee eepee ekeko k-pop keepe kekec kepco kepez keppe ko-ko kocek kocke koepp kokez kokko kopce kopec kopek koppe ocoee oczko oeco- oeppo okeke okoc ooooo opepe pcock pecco pecke peece peeke pekoe pepco pepee peppe po-po pocko pocok pocop pooke poope poopo popco popek popop poppe poppo pozzo zecco zeoke zepce zeppo zocco zoppo zzzzz