ddd ddg ddi ddp ddr dgd dgg dgi dgp dgr di- did dig dii dip dir dpd dpg dpi dpp dpr drd drg dri drp drr g-d g-p gdd gdi gdp gdr ggd ggg ggi ggp ggr gid gig gii gip gir gpd gpg gpi gpp gpr grd grg gri grp grr i-d idd idg idi idp idr igd igg igi igp igr iid iii iip iir ipd ipg ipi ipp ipr ir- ird irg iri irp irr p-p pdd pdg pdi pdp pdr pgd pgg pgi pgp pgr pid pig pii pip pir ppd ppg ppi ppp ppr prd prg pri prp prr rdd rdg rdi rdp rdr rgd rgg rgi rgp rgr rid rig rii rip rir rpd rpg rpi rpp rpr rrd rrg rri rrp rrr