ccccc cnnnn co-co cocc- cocco cocom cocon cocto comco commn commo comon comot conco cono- conon contn conto coton cott- cotto mccoo mmccc mmmcc mmmmm mocco momot monno mono- monon monto montt mooto moto- motoc moton motto mt-tc mt-tm mt-tn mt-tt mtoto ncomm nnooo no-no noct- nocto nommo nomo- nomom nonno nonot notno noto- noton notto octo- octon omont omoon omoto onco- oncom onont onoon onoto onto- ontoo ooooo otomo otono ototo ottom tntnt tocco toco- tommo tomo- tomom tonco tono- tonto toto- toton totoo ttttt