ddd dde ddf ddg ddi ddl de- ded dee def deg dei del dfd dfe dff dfg dfi dfl dgd dge dgf dgg dgi dgl di- did die dif dig dii dil dl- dld dle dlf dlg dli dll ed- edd ede edf edg edi edl eed eee eef eeg eel ef- efd efe eff efg efi efl egd ege egf egg egi egl eid eie eif eig eii eil eld ele elf elg eli ell fdd fde fdf fdg fdi fdl fed fee fef feg fei fel ffd ffe fff ffg ffi ffl fgd fge fgf fgg fgi fgl fid fie fif fig fii fil fld fle flf flg fli fll g-d gdd gde gdf gdi gdl ge- ged gee gef geg gei gel gfd gfe gff gfi gfl ggd ggg ggi gid gie gif gig gii gil gld gle glf glg gli gll i-d i-f idd ide idf idg idi idl ie- ied iee ief ieg iei iel ifd ife iff ifg ifi ifl igd ige igf igg igi igl iid iie iif iii iil il- ild ile ilf ilg ili ill ldd lde ldf ldg ldi ldl led lee lef leg lei lel lfd lfe lff lfg lfi lfl lgd lge lgf lgg lgi lgl lid lie lif lig lii lil lld lle llf llg lli lll