-al a-a aaa aad aae aaf aak aal aan ad- ada add ade adf adk adl adn aea aed aee aef aek ael aen af- afa afd afe aff afk afl afn aka akd ake akk akl akn al- ala ald ale alf alk all aln an- ana and ane anf ank anl ann daa dad dae daf dak dal dan dda ddd dde ddf ddk ddl ddn de- dea ded dee def dek del den dfa dfd dfe dff dfk dfl dfn dka dke dkk dkl dl- dla dld dle dlf dlk dll dna dnd dne dnf dnk dnl dnn eaa ead eae eaf eak eal ean ed- eda edd ede edf edk edl edn eea eed eee eef eek eel een ef- efa efd efe eff efl eka ekd eke ekf ekl ela eld ele elf elk ell eln en- ena end ene enf enk enl enn faa fad fae faf fak fal fan fda fdd fde fdf fdk fdl fdn fea fed fee fef fek fel fen ffa ffd ffe fff ffk ffl ffn fka fkf fkk fkl fla fld fle flf fll fln fna fnd fne fnf fnk fnl fnn ka- kaa kad kae kaf kak kal kan kda kde kdf kdk kdl ke- kea ked kee kef kek kel ken kfa kfd kff kke kkk kkl kkn kl- kla kld klf kn- kna knd kne knf knk knl knn la- laa lad lae laf lak lal lan lda ldd lde ldf ldk ldl ldn lea led lee lef lek lel len lfa lfd lfe lff lfk lfl lfn lka lkl lla lld lle llf llk lll lln lna lnd lne lnk lnl lnn naa nad nae naf nak nal nan nda ndd nde ndf ndk ndl ndn ne- nea ned nee nef nek nel nen nfa nfd nfe nff nfk nfl nfn nka nke nkf nkk nkn nla nld nle nlf nlk nll nln nna nne nnf nnk nnl nnn