c-- ccc cce cch cck ccm cco ce- cec cee ceh cek cem ceo ch- chc che chh chk chm cho ckc ckh ckm cko cmc cme cmh cmk cmm cmo co- coc coe coh cok com coo ec- ecc ece ech eck ecm eco eec eee eek eem eeo ehc ehe ehh ehm eho ekc eke ekh eko em- emc eme emh emk emm emo eo- eoc eoe eoh eok eom eoo hcc hce hch hck hcm hco he- hec hee heh hek hem heo hhc hhe hhh hhk hhm hho hkh hkk hkm hko hmc hme hmh hmk hmm hmo hoc hoe hoh hok hom hoo kcc kce kch kck kcm ke- kec kee keh kek kem keo khe khh khk khm kho kkc kke kkh kkk kkm kmc kme kmh kmk kmm kmo koc koe koh kok kom koo m-o mc- mcc mce mch mck mcm mco mec mee meh mek mem meo mhc mhh mhk mhm mho mkc mke mkh mkk mkm mko mmc mme mmh mmk mmm mmo moc moe moh mok mom moo oc- occ och ock ocm oco oec oee oeh oem oeo ohc ohe ohh ohm oho okc oke okk oko om- omc ome omh omm omo oo- ooc ooh ook oom ooo