c-- ccc ccm ccn ccs ccz cmc cmm cmn cms cmy cn- cnc cnm cnn cns cny csc csm csn css csy csz cyc cym cyn cys cz- czc czm mc- mcc mcm mcn mcs mcz mmc mmm mmn mms mmz mnc mnm mnn mns mnz msc msm msn mss msy my- myc mym myn mys mzm mzn ncc ncm ncn ncs nmc nmm nmn nms nmz nnc nnm nnn nns nnz nsc nsm nsn nss nsy nsz nyc nym nyn nys nyy nzs nzz scc scm scn scs smc smm smn sms smy smz snc snm snn sns sny ss- ssc ssm ssn sss ssz sy- syc sym syn sys ycc ycs ycy ymc ymm yms ynn yns yny ysc ysm yss ysy ysz yyc yys yyy yyz yzy zcs zmc zmm zms znc znn zns zsm zsz zym zzs zzy zzz