-er ddd dde ddf ddg ddi ddl ddr de- ded dee def deg dei del der dfd dfe dff dfg dfi dfl dfr dgd dge dgf dgg dgi dgl dgr di- did die dif dig dii dil dir dl- dld dle dlf dlg dli dll dlr drd dre drg dri drl drr ed- edd ede edf edg edi edl edr eed eee eef eeg eel eer ef- efd efe eff efg efi efl efr egd ege egf egg egi egl egr eid eie eif eig eii eil eir eld ele elf elg eli ell elr erd ere erf erg eri erl err fdd fde fdf fdg fdi fdl fdr fed fee fef feg fei fel fer ffd ffe fff ffg ffi ffl ffr fgd fge fgf fgg fgi fgl fgr fid fie fif fig fii fil fir fld fle flf flg fli fll flr frd fre frf frg fri frl frr g-d gdd gde gdf gdi gdl gdr ge- ged gee gef geg gei gel ger gfd gfe gff gfi gfl gfr ggd ggg ggi ggr gid gie gif gig gii gil gir gld gle glf glg gli gll glr grd gre grf grg gri grl grr i-d i-f idd ide idf idg idi idl idr ie- ied iee ief ieg iei iel ier ifd ife iff ifg ifi ifl ifr igd ige igf igg igi igl igr iid iie iif iii iil iir il- ild ile ilf ilg ili ill ilr ir- ird ire irf irg iri irl irr ldd lde ldf ldg ldi ldl ldr led lee lef leg lei lel ler lfd lfe lff lfg lfi lfl lfr lgd lge lgf lgg lgi lgl lgr lid lie lif lig lii lil lir lld lle llf llg lli lll llr lrd lrf lrg lri lrr rdd rde rdf rdg rdi rdl rdr re- red ree ref reg rei rel rer rfd rfe rff rfg rfi rfl rfr rgd rge rgf rgg rgi rgr rid rie rif rig rii ril rir rld rle rlf rlg rli rll rlr rrd rrf rrg rri rrl rrr