cccc cccs cccv ccnc ccns ccoc ccsn ccss ccvo ccvs cnco cnss coco con- conc conn cono cons conv coon coos cosc coso coss covo cscc csco cscs csos cvcc cvss nccc nccn nccs ncnc ncoc ncos ncsc ncss ncvs nnnn nnos nnss noco nocs non- nonn nono nons noo- noon nooo noos noov nos- noss nov- novo nscc nscs nsos nssc nsso nsss nvcc nvcs nvss occc occn ocon ocos onc- onco onno onon onos onsc onso oons oooo ooos oscc osco osno osoo osos osov osso ovcs ovo- ovon ovoo s-os sccc sccs scon scoo scsc scsn scso sncc snco snns snoc snoo snos snov soco socs son- sono sons soon soos soso soss sosv sovo sovs sscc sscs ssns ssoc sssc ssss svcc svcs svns svsc vcon vnso vonn vons vooc voso voss vssc vvvv