cccc cccf cccs ccfc ccff ccnc ccnf ccns ccoc ccsf ccsn ccss cfcf cfcn cfco cfcs cfns cfos cnco cnss coco cofc coff cofs con- conc conf conn cono cons coof coon coos cosc coso coss cscc cscf csco cscs csfc csos fccf fcsc ffcc ffff ffss foco focs fofo fono fons foof foon foos foso foss fscc fsfo fssc fssf nccc nccf nccn nccs ncfc ncnc ncoc ncos ncsc ncsf ncss nfff nfon nnnn nnos nnss noco nocs non- nonn nono nons noo- noon nooo noos nos- noss nscc nscs nsfc nsfs nsof nsos nssc nssf nsso nsss occc occn ocon ocos off- offc offo offs ofno onc- oncf onco onno onon onos onsc onso ooff oofs oons oooo ooos oscc osco osno osoo osos osso s-os sccc sccs scfc scon scoo scsc scsn scso sfcc sfco sfcs sffc sfos sfss sncc sncf snco snns snoc snoo snos soco socs sofo son- sono sons soof soon soos soso soss sscc sscs ssfc ssns ssoc sssc sssf ssss