-ey c-- ccc cce cck ccm ccn ce- cec cee cek cem cen cey ckc ckm cky cmc cme cmk cmm cmn cmy cn- cnc cne cnm cnn cny cyc cye cyk cym cyn ec- ecc ece eck ecm ecn eec eee eek eem een eey ekc eke eky em- emc eme emk emm emn en- enc ene enk enm enn eny eyc eye eym eyn kcc kce kck kcm kcn ke- kec kee kek kem ken key kkc kke kkk kkm kkn kky kmc kme kmk kmm kn- knc kne knk knm knn kyc kye kym kyn mc- mcc mce mck mcm mcn mec mee mek mem men mey mkc mke mkk mkm mkn mky mmc mme mmk mmm mmn mnc mne mnk mnm mnn my- myc mye myk mym myn ncc nce nck ncm ncn ne- nec nee nek nem nen ney nkc nke nkk nkm nkn nky nmc nme nmk nmm nmn nnc nne nnk nnm nnn nyc nye nyk nym nyn nyy ycc yce ycy yec yee yek yem yen yey ykk ykm ykn ymc yme ymm yne ynk ynn yny yyc yye yyy