-er -ey ddd dde ddg ddp ddr ddy de- ded dee deg dep der dey dgd dge dgg dgp dgr dpd dpe dpg dpp dpr drd dre drg drp drr dry dy- dyd dye dyp dyr dyy ed- edd ede edg edp edr edy eed eee eeg eep eer eey egd ege egg egp egr egy ep- epd epe epg epp epr erd ere erg erp err ery eyd eye eyp eyr g-d g-p gdd gde gdp gdr ge- ged gee geg gep ger gey ggd ggg ggp ggr gpd gpe gpg gpp gpr grd gre grg grp grr gry gy- gyd gye gyp gyr p-p pdd pde pdg pdp pdr ped pee peg pep per pey pgd pge pgg pgp pgr pgy ppd ppe ppg ppp ppr prd pre prg prp prr pry py- pyd pye pyg pyr rdd rde rdg rdp rdr rdy re- red ree reg rep rer rey rgd rge rgg rgp rgr rpd rpe rpg rpp rpr rrd rrg rrp rrr ry- ryd rye ryg ryr ryy yde ydg ydy yed yee yeg yep yer yey ypd ypg yre yrg yrp yye yyg yyy