-al a-a aaa aad aae aaf aak aal ad- ada add ade adf adk adl aea aed aee aef aek ael af- afa afd afe aff afk afl aka akd ake akk akl al- ala ald ale alf alk all daa dad dae daf dak dal dda ddd dde ddf ddk ddl de- dea ded dee def dek del dfa dfd dfe dff dfk dfl dka dke dkk dkl dl- dla dld dle dlf dlk dll eaa ead eae eaf eak eal ed- eda edd ede edf edk edl eea eed eee eef eek eel ef- efa efd efe eff efl eka ekd eke ekf ekl ela eld ele elf elk ell faa fad fae faf fak fal fda fdd fde fdf fdk fdl fea fed fee fef fek fel ffa ffd ffe fff ffk ffl fka fkf fkk fkl fla fld fle flf fll ka- kaa kad kae kaf kak kal kda kde kdf kdk kdl ke- kea ked kee kef kek kel kfa kfd kff kke kkk kkl kl- kla kld klf la- laa lad lae laf lak lal lda ldd lde ldf ldk ldl lea led lee lef lek lel lfa lfd lfe lff lfk lfl lka lkl lla lld lle llf llk lll