c-cor ccccc cnnnn cntrc co-co cocc- cocco cocom cocon cocto comco commn commo commr comon comot conco concr cono- conon conor contn conto contr corm- cormo corno coro- coron corot corto coton cott- cotto croco cromo croom croon croot crott mccoo mmccc mmmcc mmmmm mocco momot monno mono- monon monor monro monto montt moorn mooro mooto mormo moroc moron moror morro moto- motoc moton motor motto mrmom mrorr mrton mt-tc mt-tm mt-tn mt-tr mt-tt mtoto mtron ncomm nnooo no-no noct- nocto nommo nomo- nomom nonno nonot noort norco norm- noroc noron norro nortt notno noto- noton notto nrotc ntoro ocorn octo- octon octor omont omoon omoro omoto omron onco- oncom onont onoon onorn onoto onto- ontoo ooooo orcon ormoc ornon ornot oroco oromo orono orton ortoo otomo otono ototo ottom r-co- rmnmn rnmnt rnrmc ro-ro rocco rocor romon ronco ronno ronto roto- roton rotor rotot rotto tntnt tocco toco- tommo tomo- tomom tomor tonco tono- tonto toron torro torto toto- toton totoo troco tromm tronc trono troon trott ttttt