c-p-c c-pop ccccc ceco- ceddo ceded cedex ceede ceedo ceoce ceppo co-co co-ed co-op cocc- cocce cocco coceo codco codde codec coded codex codo coepe coode cooed cooee coope copce copec coped coppe coppo coxed ddddd dedde dedee deece deede deepc deepe deepp depce depex depoe depop do-do doced dodec dodoo dooce doodo doped doppe doxed dxdxd e-dee eddoe edeo- eeeee eeped eepee epode exced excop execx exede exode exopc ocoee odeco oeco- oeppo ooooo oopod op-ed opdoc opepe opodo opped p-o-x pecco pedee pedo- peece pepco pepee peppe pexec po-po pocop podex podo- podoe pooed poope poopo popco poped popex popop poppe poppo poxed pppox xceed xcode xexex xoxox