-th c-- ccc ccd cce cch ccm cco cct cdc cdd cde cdh cdm cdo cdt ce- cec ced cee ceh cem ceo cet ch- chc chd che chh chm cho cht cmc cmd cme cmh cmm cmo cmt co- coc cod coe coh com coo cot ctc ctd cte cth ctm cto ctt dcc dcd dce dcm dco dct ddc ddd dde ddh ddm ddo ddt de- dec ded dee deh dem deo det dh- dhc dhd dhe dhh dhm dho dht dmc dmd dme dmh dmm dmo dmt doc dod doe doh dom doo dot dtc dtd dte dth dtm dto dtt ec- ecc ecd ece ech ecm eco ect ed- edc edd ede edh edm edo edt eec eed eee eem eeo eet ehc ehd ehe ehh ehm eho eht em- emc emd eme emh emm emo emt eo- eoc eod eoe eoh eom eoo eot etc etd ete eth etm eto ett hcc hcd hce hch hcm hco hct hdc hdd hde hdh hdm hdo hdt he- hec hed hee heh hem heo het hhc hhd hhe hhh hhm hho hht hmc hmd hme hmh hmm hmo hmt hoc hod hoe hoh hom hoo hot htc htd hte hth htm hto htt m-o mc- mcc mcd mce mch mcm mco mct mdc mdd mde mdh mdm mdo mdt mec med mee meh mem meo met mhc mhd mhh mhm mho mht mmc mmd mme mmh mmm mmo mmt moc mod moe moh mom moo mot mtc mtd mte mth mtm mto mtt oc- occ ocd och ocm oco oct odc odd ode odh odm odo odt oec oed oee oeh oem oeo oet ohc ohd ohe ohh ohm oho oht om- omc omd ome omh omm omo omt oo- ooc ood ooh oom ooo oot ot- otc otd ote oth otm oto ott tcc tcd tce tch tcm tco tct tdc tdd tde tdh tdm tdo tdt te- tec ted tee teh tem teo tet th- thc thd the thh thm tho tht tmc tmd tme tmh tmm tmo tmt to- toc tod toe toh tom too tot ttc ttd tte tth ttm tto ttt