c-- ccc ccg ccm ccn cco cgc cgg cgm cgn cgo cmc cmg cmm cmn cmo cn- cnc cng cnm cnn cno co- coc cog com con coo gcc gcg gcm gcn gco ggc ggg ggm ggn ggo gmc gmg gmm gmn gmo gnc gnm gnn gno goc gog gom gon goo m-o mc- mcc mcg mcm mcn mco mgc mgm mgn mgo mmc mmg mmm mmn mmo mnc mng mnm mnn mno moc mog mom mon moo ncc ncg ncm ncn nco ngc ngg ngm ngn ngo nmc nmg nmm nmn nmo nnc nng nnm nnn nno no- noc nog nom non noo oc- occ ocg ocm ocn oco ogc ogg ogn ogo om- omc omg omm omn omo on- onc ong onn ono oo- ooc oog oom oon ooo