c-- ccc cce cch cck ccm ce- cec cee ceh cek cem ch- chc che chh chk chm ckc ckh ckm cmc cme cmh cmk cmm ec- ecc ece ech eck ecm eec eee eek eem ehc ehe ehh ehm ekc eke ekh em- emc eme emh emk emm hcc hce hch hck hcm he- hec hee heh hek hem hhc hhe hhh hhk hhm hkh hkk hkm hmc hme hmh hmk hmm kcc kce kch kck kcm ke- kec kee keh kek kem khe khh khk khm kkc kke kkh kkk kkm kmc kme kmh kmk kmm mc- mcc mce mch mck mcm mec mee meh mek mem mhc mhh mhk mhm mkc mke mkh mkk mkm mmc mme mmh mmk mmm