c-- ccc ccd cch cco ccp ccr cdc cdd cdh cdo cdp cdr ch- chc chd chh cho chp chr co- coc cod coh coo cop cor cpc cpd cph cpo cpp cpr crc crd crh cro crp crr dcc dcd dco dcp dcr ddc ddd ddh ddo ddp ddr dh- dhc dhd dhh dho dhp dhr doc dod doh doo dop dor dpc dpd dph dpo dpp dpr drc drd dro drp drr hcc hcd hch hco hcp hcr hdc hdd hdh hdo hdp hdr hhc hhd hhh hho hhp hhr hoc hod hoh hoo hop hor hpc hpd hph hpo hpp hpr hr- hrc hrd hrh hro hrp hrr oc- occ ocd och oco ocp ocr odc odd odh odo odp odr ohc ohd ohh oho ohp ohr oo- ooc ood ooh ooo oop oor op- opc opd oph opo opp opr or- orc ord orh oro orp orr p-p pcc pcd pch pco pcp pcr pdc pdd pdh pdo pdp pdr phc phd pho php phr poc pod poh poo pop por ppc ppd pph ppo ppp ppr prc prd prh pro prp prr rcc rcd rch rco rcp rcr rdc rdd rdh rdo rdp rdr rh- rhc rhd rhh rho rhp rhr roc rod roh roo rop ror rpc rpd rph rpo rpp rpr rrc rrd rrh rrp rrr