c-cor ccccc cnnnn co-co cocc- cocco cocom cocon comco commn commo commr comon conco concr cono- conon conor corm- cormo corno coro- coron croco cromo croom croon mccoo mmccc mmmcc mmmmm mocco monno mono- monon monor monro moorn mooro mormo moroc moron moror morro mrmom mrorr ncomm nnooo no-no nommo nomo- nomom nonno norco norm- noroc noron norro ocorn omoon omoro omron onco- oncom onoon onorn ooooo orcon ormoc ornon oroco oromo orono r-co- rmnmn rnrmc ro-ro rocco rocor romon ronco ronno