-al a-a aaa aae aaf aag aal aea aee aef aeg ael af- afa afe aff afg afl ag- aga age agf agg agl al- ala ale alf alg all eaa eae eaf eag eal eea eee eef eeg eel ef- efa efe eff efg efl ega ege egf egg egl ela ele elf elg ell faa fae faf fag fal fea fee fef feg fel ffa ffe fff ffg ffl fga fge fgf fgg fgl fla fle flf flg fll gaa gae gaf gag gal ge- gea gee gef geg gel gfa gfe gff gfl gga ggg gla gle glf glg gll la- laa lae laf lag lal lea lee lef leg lel lfa lfe lff lfg lfl lga lge lgf lgg lgl lla lle llf llg lll