c-- ccc ccd cce cch ccm cco cdc cdd cde cdh cdm cdo ce- cec ced cee ceh cem ceo ch- chc chd che chh chm cho cmc cmd cme cmh cmm cmo co- coc cod coe coh com coo dcc dcd dce dcm dco ddc ddd dde ddh ddm ddo de- dec ded dee deh dem deo dh- dhc dhd dhe dhh dhm dho dmc dmd dme dmh dmm dmo doc dod doe doh dom doo ec- ecc ecd ece ech ecm eco ed- edc edd ede edh edm edo eec eed eee eem eeo ehc ehd ehe ehh ehm eho em- emc emd eme emh emm emo eo- eoc eod eoe eoh eom eoo hcc hcd hce hch hcm hco hdc hdd hde hdh hdm hdo he- hec hed hee heh hem heo hhc hhd hhe hhh hhm hho hmc hmd hme hmh hmm hmo hoc hod hoe hoh hom hoo m-o mc- mcc mcd mce mch mcm mco mdc mdd mde mdh mdm mdo mec med mee meh mem meo mhc mhd mhh mhm mho mmc mmd mme mmh mmm mmo moc mod moe moh mom moo oc- occ ocd och ocm oco odc odd ode odh odm odo oec oed oee oeh oem oeo ohc ohd ohe ohh ohm oho om- omc omd ome omh omm omo oo- ooc ood ooh oom ooo