-ey c-- ccc cce ccm ccn ce- cec cee cem cen cey cmc cme cmm cmn cmy cn- cnc cne cnm cnn cny cyc cye cym cyn ec- ecc ece ecm ecn eec eee eem een eey em- emc eme emm emn en- enc ene enm enn eny eyc eye eym eyn mc- mcc mce mcm mcn mec mee mem men mey mmc mme mmm mmn mnc mne mnm mnn my- myc mye mym myn ncc nce ncm ncn ne- nec nee nem nen ney nmc nme nmm nmn nnc nne nnm nnn nyc nye nym nyn nyy ycc yce ycy yec yee yem yen yey ymc yme ymm yne ynn yny yyc yye yyy