-al a-a aaa aad aae aaf aag aal ad- ada add ade adf adg adl aea aed aee aef aeg ael af- afa afd afe aff afg afl ag- aga agd age agf agg agl al- ala ald ale alf alg all daa dad dae daf dag dal dda ddd dde ddf ddg ddl de- dea ded dee def deg del dfa dfd dfe dff dfg dfl dga dgd dge dgf dgg dgl dl- dla dld dle dlf dlg dll eaa ead eae eaf eag eal ed- eda edd ede edf edg edl eea eed eee eef eeg eel ef- efa efd efe eff efg efl ega egd ege egf egg egl ela eld ele elf elg ell faa fad fae faf fag fal fda fdd fde fdf fdg fdl fea fed fee fef feg fel ffa ffd ffe fff ffg ffl fga fgd fge fgf fgg fgl fla fld fle flf flg fll g-d gaa gad gae gaf gag gal gda gdd gde gdf gdl ge- gea ged gee gef geg gel gfa gfd gfe gff gfl gga ggd ggg gla gld gle glf glg gll la- laa lad lae laf lag lal lda ldd lde ldf ldg ldl lea led lee lef leg lel lfa lfd lfe lff lfg lfl lga lgd lge lgf lgg lgl lla lld lle llf llg lll