-ic c-- ccc ccd ccg cci cco ccp ccr cdc cdd cdg cdi cdo cdp cdr cgc cgd cgg cgi cgo cgp cgr ci- cic cid cig cii cio cip cir co- coc cod cog coi coo cop cor cpc cpd cpg cpi cpo cpp cpr crc crd crg cri cro crp crr dcc dcd dcg dci dco dcp dcr ddc ddd ddg ddi ddo ddp ddr dgc dgd dgg dgi dgp dgr di- dic did dig dii dio dip dir doc dod dog doi doo dop dor dpc dpd dpg dpi dpo dpp dpr drc drd drg dri dro drp drr g-d g-p gcc gcd gcg gci gco gcp gcr gdc gdd gdi gdo gdp gdr ggc ggd ggg ggi ggo ggp ggr gic gid gig gii gio gip gir goc god gog goi goo gop gor gpc gpd gpg gpi gpo gpp gpr grc grd grg gri gro grp grr i-d icc icd icg ici ico icp icr idc idd idg idi ido idp idr igc igd igg igi igo igp igr iic iid iii iio iip iir io- ioc iod iog ioi ioo iop ior ipc ipd ipg ipi ipo ipp ipr ir- irc ird irg iri iro irp irr o-i oc- occ ocd ocg oci oco ocp ocr odc odd odg odi odo odp odr ogc ogd ogg ogi ogo ogp oic oid oii oio oip oir oo- ooc ood oog ooi ooo oop oor op- opc opd opg opi opo opp opr or- orc ord org ori oro orp orr p-p pcc pcd pcg pci pco pcp pcr pdc pdd pdg pdi pdo pdp pdr pgc pgd pgg pgi pgo pgp pgr pic pid pig pii pio pip pir poc pod pog poi poo pop por ppc ppd ppg ppi ppo ppp ppr prc prd prg pri pro prp prr rcc rcd rcg rci rco rcp rcr rdc rdd rdg rdi rdo rdp rdr rgc rgd rgg rgi rgo rgp rgr ric rid rig rii rio rip rir roc rod rog roi roo rop ror rpc rpd rpg rpi rpo rpp rpr rrc rrd rrg rri rrp rrr