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 corzo cozzo croco cromo croom croon czmon mccoo mmccc mmmcc mmmmm mocco monno mono- monon monor monro monzo moorn mooro mormo moroc moron moror moroz morro mozzo mrmom mrorr ncomm nnooo no-no nommo nomo- nomom nonno norco norm- noroc noron norro nozno ocorn omoon omoro omron onco- oncom onoon onorn ooooo orcon ormoc ormoz ornon oroco oromo orono oronz oznoz ozon- ozono ozoro r-co- rmnmn rnrmc ro-ro rocco rocor romon ronco ronno rozno zocco zocor zono- zorro zzoom zzzzz