c-- ccc ccd cch ccn cco ccr cdc cdd cdh cdn cdo cdr ch- chc chd chh chn cho chr cn- cnc cnd cnh cnn cno cnr co- coc cod coh con coo cor crc crd crh crn cro crr dcc dcd dcn dco dcr ddc ddd ddh ddn ddo ddr dh- dhc dhd dhh dho dhr dnc dnd dnh dnn dno dnr doc dod doh don doo dor drc drd drn dro drr hcc hcd hch hcn hco hcr hdc hdd hdh hdn hdo hdr hhc hhd hhh hhn hho hhr hnc hnd hnh hnn hno hoc hod hoh hon hoo hor hr- hrc hrd hrh hrn hro hrr ncc ncd nch ncn nco ncr ndc ndd ndh ndn ndo ndr nhc nhd nhh nhn nhr nnc nnh nnn nno no- noc nod noh non noo nor nrc nrd nrn nro nrr oc- occ ocd och ocn oco ocr odc odd odh odn odo odr ohc ohd ohh ohn oho ohr on- onc ond onh onn ono onr oo- ooc ood ooh oon ooo oor or- orc ord orh orn oro orr rcc rcd rch rcn rco rcr rdc rdd rdh rdn rdo rdr rh- rhc rhd rhh rhn rho rhr rnc rnd rnh rnn rno rnr roc rod roh ron roo ror rrc rrd rrh rrn rrr