a-a a-c aaa aac aae aah aam aao ac- aca acc ace ach acm aco aea aec aee aeh aem aeo aha ahc ahe ahh ahm aho ama amc ame amh amm amo aoa aoc aoe aoh aom aoo c-- caa cac cae cah cam cao cca ccc cce cch ccm cco ce- cea cec cee ceh cem ceo ch- cha chc che chh chm cho cma cmc cme cmh cmm cmo co- coa coc coe coh com coo eaa eac eae eah eam eao ec- eca ecc ece ech ecm eco eea eec eee eem eeo eha ehc ehe ehh ehm eho em- ema emc eme emh emm emo eo- eoa eoc eoe eoh eom eoo haa hac hae hah ham hao hca hcc hce hch hcm hco he- hea hec hee heh hem heo hha hhc hhe hhh hhm hho hma hmc hme hmh hmm hmo hoa hoc hoe hoh hom hoo m-o maa mac mae mah mam mao mc- mca mcc mce mch mcm mco mea mec mee meh mem meo mha mhc mhh mhm mho mma mmc mme mmh mmm mmo moa moc moe moh mom moo oaa oac oae oah oam oao oc- oca occ och ocm oco oea oec oee oeh oem oeo oha ohc ohe ohh ohm oho om- oma omc ome omh omm omo oo- ooa ooc ooh oom ooo