a-a a-c aaa aac aae aah aam ac- aca acc ace ach acm aea aec aee aeh aem aha ahc ahe ahh ahm ama amc ame amh amm c-- caa cac cae cah cam cca ccc cce cch ccm ce- cea cec cee ceh cem ch- cha chc che chh chm cma cmc cme cmh cmm eaa eac eae eah eam ec- eca ecc ece ech ecm eea eec eee eem eha ehc ehe ehh ehm em- ema emc eme emh emm haa hac hae hah ham hca hcc hce hch hcm he- hea hec hee heh hem hha hhc hhe hhh hhm hma hmc hme hmh hmm maa mac mae mah mam mc- mca mcc mce mch mcm mea mec mee meh mem mha mhc mhh mhm mma mmc mme mmh mmm