ddd ddf ddg ddi ddp ddr ddt dfd dff dfg dfi dfp dfr dft dgd dgf dgg dgi dgp dgr dgt di- did dif dig dii dip dir dit dpd dpf dpg dpi dpp dpr dpt drd drg dri drp drr drt dtd dtf dtg dti dtp dtr dtt fdd fdf fdg fdi fdp fdr fdt ffd fff ffg ffi ffp ffr fft fgd fgf fgg fgi fgp fgr fgt fid fif fig fii fip fir fit fpd fpg fpi fpp fpr fpt frd frf frg fri frp frr frt ftd ftf ftg fti ftp ftr ftt g-d g-p gdd gdf gdi gdp gdr gdt gfd gff gfi gfp gfr gft ggd ggg ggi ggp ggr ggt gid gif gig gii gip gir git gpd gpf gpg gpi gpp gpr gpt grd grf grg gri grp grr grt gtd gtf gtg gti gtp gtr gtt i-d i-f idd idf idg idi idp idr idt ifd iff ifg ifi ifp ifr ift igd igf igg igi igp igr igt iid iif iii iip iir iit ipd ipf ipg ipi ipp ipr ipt ir- ird irf irg iri irp irr irt itd itf itg iti itp itt p-p pdd pdf pdg pdi pdp pdr pdt pfd pff pfg pfi pfp pfr pft pgd pgf pgg pgi pgp pgr pgt pid pif pig pii pip pir pit ppd ppf ppg ppi ppp ppr ppt prd prf prg pri prp prr prt pt- ptd ptf ptg pti ptp ptr ptt rdd rdf rdg rdi rdp rdr rdt rfd rff rfg rfi rfp rfr rft rgd rgf rgg rgi rgp rgr rgt rid rif rig rii rip rir rit rpd rpf rpg rpi rpp rpr rpt rrd rrf rrg rri rrp rrr rrt rtd rtf rtg rti rtp rtr rtt tdd tdf tdg tdi tdp tdr tdt tfd tff tfg tfi tfp tfr tft tgf tgg tgi tgp tgr tgt tid tif tig tii tip tir tit tpd tpf tpg tpi tpp tpr tpt trd trf trg tri trp trr trt ttd ttf ttg tti ttp ttr ttt