-er ddd dde ddg ddl ddp ddr dds de- ded dee deg del dep der des dgd dge dgg dgl dgp dgr dgs dl- dld dle dlg dll dlp dlr dls dpd dpe dpg dpl dpp dpr dps drd dre drg drl drp drr drs dsd dse dsg dsl dsp dsr dss ed- edd ede edg edl edp edr eds eed eee eeg eel eep eer ees egd ege egg egl egp egr egs eld ele elg ell elp elr els ep- epd epe epg epl epp epr eps erd ere erg erl erp err ers es- esd ese esg esl esp esr ess g-d g-p gdd gde gdl gdp gdr gds ge- ged gee geg gel gep ger ges ggd ggg ggp ggr ggs gld gle glg gll glp glr gls gpd gpe gpg gpl gpp gpr gps grd gre grg grl grp grr grs gsd gse gsg gsl gsp gsr gss l-p ldd lde ldg ldl ldp ldr lds led lee leg lel lep ler les lgd lge lgg lgl lgp lgr lgs lld lle llg lll llp llr lls lpd lpe lpg lpl lpp lpr lps lrd lrg lrp lrr lrs lsd lse lsg lsl lsp lsr lss p-p pdd pde pdg pdl pdp pdr pds ped pee peg pel pep per pes pgd pge pgg pgl pgp pgr pgs pld ple plg pll plp plr pls ppd ppe ppg ppl ppp ppr pps prd pre prg prl prp prr prs ps- psd pse psg psl psp psr pss rdd rde rdg rdl rdp rdr rds re- red ree reg rel rep rer res rgd rge rgg rgp rgr rgs rld rle rlg rll rlp rlr rls rpd rpe rpg rpl rpp rpr rps rrd rrg rrl rrp rrr rrs rsd rse rsg rsl rsp rsr rss sdd sde sdg sdl sdp sdr sds se- sed see seg sel sep ser ses sgd sge sgg sgl sgp sgr sgs sld sle slg sll slp slr sls spd spe spg spl spp spr sps sr- srd sre srg srl srp srr srs ss- ssd sse ssg ssl ssp ssr sss