c-- ccc cce cch ccl ccm ce- cec cee ceh cel cem ch- chc che chh chl chm cl- clc cle clh cll clm cmc cme cmh cml cmm ec- ecc ece ech ecl ecm eec eee eel eem ehc ehe ehh ehl ehm elc ele elh ell elm em- emc eme emh eml emm hcc hce hch hcl hcm he- hec hee heh hel hem hhc hhe hhh hhl hhm hlc hle hlh hll hlm hmc hme hmh hml hmm lcc lce lch lcl lcm lec lee leh lel lem lhc lhh llc lle lll llm lmc lme lmh lml lmm mc- mcc mce mch mcl mcm mec mee meh mel mem mhc mhh mhl mhm mlc mle mlh mll mlm mmc mme mmh mml mmm