-er ddd dde ddg ddi ddl ddp ddr de- ded dee deg dei del dep der dgd dge dgg dgi dgl dgp dgr di- did die dig dii dil dip dir dl- dld dle dlg dli dll dlp dlr dpd dpe dpg dpi dpl dpp dpr drd dre drg dri drl drp drr ed- edd ede edg edi edl edp edr eed eee eeg eel eep eer egd ege egg egi egl egp egr eid eie eig eii eil eip eir eld ele elg eli ell elp elr ep- epd epe epg epi epl epp epr erd ere erg eri erl erp err g-d g-p gdd gde gdi gdl gdp gdr ge- ged gee geg gei gel gep ger ggd ggg ggi ggp ggr gid gie gig gii gil gip gir gld gle glg gli gll glp glr gpd gpe gpg gpi gpl gpp gpr grd gre grg gri grl grp grr i-d idd ide idg idi idl idp idr ie- ied iee ieg iei iel iep ier igd ige igg igi igl igp igr iid iie iii iil iip iir il- ild ile ilg ili ill ilp ilr ipd ipe ipg ipi ipl ipp ipr ir- ird ire irg iri irl irp irr l-p ldd lde ldg ldi ldl ldp ldr led lee leg lei lel lep ler lgd lge lgg lgi lgl lgp lgr lid lie lig lii lil lip lir lld lle llg lli lll llp llr lpd lpe lpg lpi lpl lpp lpr lrd lrg lri lrp lrr p-p pdd pde pdg pdi pdl pdp pdr ped pee peg pei pel pep per pgd pge pgg pgi pgl pgp pgr pid pie pig pii pil pip pir pld ple plg pli pll plp plr ppd ppe ppg ppi ppl ppp ppr prd pre prg pri prl prp prr rdd rde rdg rdi rdl rdp rdr re- red ree reg rei rel rep rer rgd rge rgg rgi rgp rgr rid rie rig rii ril rip rir rld rle rlg rli rll rlp rlr rpd rpe rpg rpi rpl rpp rpr rrd rrg rri rrl rrp rrr