-er ddd dde ddg ddi ddl ddp ddr de- ded dee deg dei del dep der dev dgd dge dgg dgi dgl dgp dgr di- did die dig dii dil dip dir div dl- dld dle dlg dli dll dlp dlr dlv dpd dpe dpg dpi dpl dpp dpr dpv drd dre drg dri drl drp drr drv dvd dve dvg dvi dvl dvp dvr ed- edd ede edg edi edl edp edr eed eee eeg eel eep eer eev egd ege egg egi egl egp egr eid eie eig eii eil eip eir eiv eld ele elg eli ell elp elr elv ep- epd epe epg epi epl epp epr erd ere erg eri erl erp err erv evd eve evg evi evl evp evr evv g-d g-p gdd gde gdi gdl gdp gdr gdv ge- ged gee geg gei gel gep ger gev ggd ggg ggi ggp ggr ggv gid gie gig gii gil gip gir giv gld gle glg gli gll glp glr glv gpd gpe gpg gpi gpl gpp gpr grd gre grg gri grl grp grr grv gvd gve gvg gvi gvl gvp gvr i-d i-v idd ide idg idi idl idp idr idv ie- ied iee ieg iei iel iep ier iev igd ige igg igi igl igp igr iid iie iii iil iip iir il- ild ile ilg ili ill ilp ilr ilv ipd ipe ipg ipi ipl ipp ipr ipv ir- ird ire irg iri irl irp irr irv ivd ive ivg ivi ivl ivp ivr ivv l-p ldd lde ldg ldi ldl ldp ldr ldv led lee leg lei lel lep ler lev lgd lge lgg lgi lgl lgp lgr lgv lid lie lig lii lil lip lir liv lld lle llg lli lll llp llr llv lpd lpe lpg lpi lpl lpp lpr lpv lrd lrg lri lrp lrr lrv lvd lve lvg lvi lvl lvp lvr lvv p-p pdd pde pdg pdi pdl pdp pdr pdv ped pee peg pei pel pep per pev pgd pge pgg pgi pgl pgp pgr pgv pid pie pig pii pil pip pir piv pld ple plg pli pll plp plr plv ppd ppe ppg ppi ppl ppp ppr ppv prd pre prg pri prl prp prr prv pvd pve pvg pvi pvl pvp pvr pvv rdd rde rdg rdi rdl rdp rdr rdv re- red ree reg rei rel rep rer rev rgd rge rgg rgi rgp rgr rgv rid rie rig rii ril rip rir riv rld rle rlg rli rll rlp rlr rpd rpe rpg rpi rpl rpp rpr rpv rrd rrg rri rrl rrp rrr rvd rve rvg rvi rvl rvp rvr rvv v-e vdd vde vdg vdi vdl vdp vdr vdv ved vee veg vei vel vep ver vgg vgl vgp vgr vi- vid vie vig vii vil vip vir viv vl- vld vle vll vlp vlv vpd vpe vpg vpi vpl vpp vpr vrd vre vrg vri vrp vrr vvg vvi vvr vvv