c-cor c-p-c c-pop ccccc co-co co-op cocc- cocco cocom comco commo commr compo coorg coppo copr- copro corm- cormo coro- corop croco cromo cromp croom croop cropc cropo go-go go-oo go-op gocco gocoo gogro gomor gompo gopro gorgo grogg gromo groom groop gropp grrrr mccoo mcrpc mmccc mmmcc mmmmm mocco mogpo moogo mooro mormo moroc morop moror morro mrmom mrorr ogogo omoro ooooo orcop ormoc oroco oromo orrgo p-com po-po pocop pomor poopo popco popop poppo porco porgo poro- porog porro progg promo proor prop- propp propr r-co- ro-ro rocco rocor rompo rprop