-ey c-- ccc cce ccm ccn ccs ce- cec cee cem cen ces cey cmc cme cmm cmn cms cmy cn- cnc cne cnm cnn cns cny csc cse csm csn css csy cyc cye cym cyn cys ec- ecc ece ecm ecn ecs eec eee eem een ees eey em- emc eme emm emn ems en- enc ene enm enn ens eny es- esc ese esm esn ess esy eyc eye eym eyn eys mc- mcc mce mcm mcn mcs mec mee mem men mes mey mmc mme mmm mmn mms mnc mne mnm mnn mns msc mse msm msn mss msy my- myc mye mym myn mys ncc nce ncm ncn ncs ne- nec nee nem nen nes ney nmc nme nmm nmn nms nnc nne nnm nnn nns nsc nse nsm nsn nss nsy nyc nye nym nyn nys nyy scc sce scm scn scs se- sec see sem sen ses sey smc sme smm smn sms smy snc sne snm snn sns sny ss- ssc sse ssm ssn sss sy- syc sye sym syn sys ycc yce ycs ycy yec yee yem yen yes yey ymc yme ymm yms yne ynn yns yny ysc yse ysm yss ysy yyc yye yys yyy