c-- ccc ccd ccg ccn cco ccr cdc cdd cdg cdn cdo cdr cgc cgd cgg cgn cgo cgr cn- cnc cnd cng cnn cno cnr co- coc cod cog con coo cor crc crd crg crn cro crr dcc dcd dcg dcn dco dcr ddc ddd ddg ddn ddo ddr dgc dgd dgg dgn dgr dnc dnd dng dnn dno dnr doc dod dog don doo dor drc drd drg drn dro drr g-d gcc gcd gcg gcn gco gcr gdc gdd gdn gdo gdr ggc ggd ggg ggn ggo ggr gnc gnd gnn gno gnr goc god gog gon goo gor grc grd grg grn gro grr ncc ncd ncg ncn nco ncr ndc ndd ndg ndn ndo ndr ngc ngd ngg ngn ngo nnc nng nnn nno no- noc nod nog non noo nor nrc nrd nrg nrn nro nrr oc- occ ocd ocg ocn oco ocr odc odd odg odn odo odr ogc ogd ogg ogn ogo on- onc ond ong onn ono onr oo- ooc ood oog oon ooo oor or- orc ord org orn oro orr rcc rcd rcg rcn rco rcr rdc rdd rdg rdn rdo rdr rgc rgd rgg rgn rgo rgr rnc rnd rng rnn rno rnr roc rod rog ron roo ror rrc rrd rrg rrn rrr