ddd ddf ddg ddi ddp ddr dfd dff dfg dfi dfp dfr dgd dgf dgg dgi dgp dgr di- did dif dig dii dip dir dpd dpf dpg dpi dpp dpr drd drg dri drp drr fdd fdf fdg fdi fdp fdr ffd fff ffg ffi ffp ffr fgd fgf fgg fgi fgp fgr fid fif fig fii fip fir fpd fpg fpi fpp fpr frd frf frg fri frp frr g-d g-p gdd gdf gdi gdp gdr gfd gff gfi gfp gfr ggd ggg ggi ggp ggr gid gif gig gii gip gir gpd gpf gpg gpi gpp gpr grd grf grg gri grp grr i-d i-f idd idf idg idi idp idr ifd iff ifg ifi ifp ifr igd igf igg igi igp igr iid iif iii iip iir ipd ipf ipg ipi ipp ipr ir- ird irf irg iri irp irr p-p pdd pdf pdg pdi pdp pdr pfd pff pfg pfi pfp pfr pgd pgf pgg pgi pgp pgr pid pif pig pii pip pir ppd ppf ppg ppi ppp ppr prd prf prg pri prp prr rdd rdf rdg rdi rdp rdr rfd rff rfg rfi rfp rfr rgd rgf rgg rgi rgp rgr rid rif rig rii rip rir rpd rpf rpg rpi rpp rpr rrd rrf rrg rri rrp rrr