cccc cccs cccv ccnc ccns ccny ccoc ccsn ccss ccvo ccvs cnco cnss coco con- conc conn cono cons conv cony coon coos cosc coso coss cosy covo covy coyn coyo coys cscc csco cscs csny csos csys cvcc cvss cyc- cycc cycs cyn- cyno cyon cyy- cyyc cyyn nccc nccn nccs ncnc ncoc ncos ncsc ncss ncsy ncvs nnnn nnos nnss noco nocs non- nonn nono nons noo- noon nooo noos noov nos- noss nosy nov- novo novy noyo noys nscc nscs nsos nssc nsso nsss nvcc nvcs nvss nycc nyco nycy nyny nyon nysc nyss occc occn ocon ocos ocys onc- onco onno onon onos onoy onsc onso onys oons oooo ooos oscc osco osno osny osoo osos osov osso ossy ovcs ovo- ovon ovoo oyns oyon oyss s-os sccc sccs sccy scon scoo scsc scsn scso scyn sncc snco snns snoc snoo snos snov snsy snys soco socs socy son- sono sons sony soon soos sooy soso soss sosv sovo sovs soyo soys sscc sscs ssns ssoc sssc ssss svcc svcs svns svoy svsc syco syn- sync syns syny syon syso syss vcon vnso vonn vons vooc voso voss voys vssc vvvv vyny vyos vyso vyss yccc ynon yono yons yoon yoso yoyn yoyo ysco yson yvon yyyy