c-- ccc ccd cch ccm ccn cco cdc cdd cdh cdm cdn cdo ch- chc chd chh chm chn cho cmc cmd cmh cmm cmn cmo cn- cnc cnd cnh cnm cnn cno co- coc cod coh com con coo dcc dcd dcm dcn dco ddc ddd ddh ddm ddn ddo dh- dhc dhd dhh dhm dho dmc dmd dmh dmm dmn dmo dnc dnd dnh dnm dnn dno doc dod doh dom don doo hcc hcd hch hcm hcn hco hdc hdd hdh hdm hdn hdo hhc hhd hhh hhm hhn hho hmc hmd hmh hmm hmo hnc hnd hnh hnn hno hoc hod hoh hom hon hoo m-o mc- mcc mcd mch mcm mcn mco mdc mdd mdh mdm mdn mdo mhc mhd mhh mhm mhn mho mmc mmd mmh mmm mmn mmo mnc mnm mnn mno moc mod moh mom mon moo ncc ncd nch ncm ncn nco ndc ndd ndh ndm ndn ndo nhc nhd nhh nhm nhn nmc nmd nmh nmm nmn nmo nnc nnh nnm nnn nno no- noc nod noh nom non noo oc- occ ocd och ocm ocn oco odc odd odh odm odn odo ohc ohd ohh ohm ohn oho om- omc omd omh omm omn omo on- onc ond onh onn ono oo- ooc ood ooh oom oon ooo