c-cor c-p-c c-pop ccccc co-co co-op cocc- cocco codco codo coord coppo copr- copro corfo coro- corod corop cpcfc croco crodo crood croop cropc cropo d-rod ddddd do-do dodoo dodro dofor doodo dopdf dorff droff drood droof droop drop- dropo fodor foord ford- fordo fordp forro frcpc frodo frood froop offof ofpop ooooo oopod opdoc opodo orcop ordoc ordro orfor oroco orodo pforp po-po pocop podo- podor poopo popco popop poppo porco poro- porro prodd proff proof proor prop- propp propr r-co- ro-ro rocco rocor rodoc rodor rofor rprop