c-cor c-p-c c-pop ccccc ccoyo co-co co-op cocc- cocco coopy coppo coppy copr- copro copyc copyr corcy coro- corop corry cory- croco crocy croop cropc cropo cryo- occoy ocopy ooooo opypy orcop oroco oyoor po-po pocop poopo poopy poory popco popop poppo poppy porco poro- porro porry proor prop- propp propr pryor pyro- r-co- ro-ro rocco rocor roopy royoc rprop yo-yo yorro