-er ddd dde ddg ddl ddp ddr de- ded dee deg del dep der dgd dge dgg dgl dgp dgr dl- dld dle dlg dll dlp dlr dpd dpe dpg dpl dpp dpr drd dre drg drl drp drr ed- edd ede edg edl edp edr eed eee eeg eel eep eer egd ege egg egl egp egr eld ele elg ell elp elr ep- epd epe epg epl epp epr erd ere erg erl erp err g-d g-p gdd gde gdl gdp gdr ge- ged gee geg gel gep ger ggd ggg ggp ggr gld gle glg gll glp glr gpd gpe gpg gpl gpp gpr grd gre grg grl grp grr l-p ldd lde ldg ldl ldp ldr led lee leg lel lep ler lgd lge lgg lgl lgp lgr lld lle llg lll llp llr lpd lpe lpg lpl lpp lpr lrd lrg lrp lrr p-p pdd pde pdg pdl pdp pdr ped pee peg pel pep per pgd pge pgg pgl pgp pgr pld ple plg pll plp plr ppd ppe ppg ppl ppp ppr prd pre prg prl prp prr rdd rde rdg rdl rdp rdr re- red ree reg rel rep rer rgd rge rgg rgp rgr rld rle rlg rll rlp rlr rpd rpe rpg rpl rpp rpr rrd rrg rrl rrp rrr