-al a-a aaa aad aaf aak aal aan ad- ada add adf adk adl adn af- afa afd aff afk afl afn aka akd akk akl akn al- ala ald alf alk all aln an- ana and anf ank anl ann daa dad daf dak dal dan dda ddd ddf ddk ddl ddn dfa dfd dff dfk dfl dfn dka dkk dkl dl- dla dld dlf dlk dll dna dnd dnf dnk dnl dnn faa fad faf fak fal fan fda fdd fdf fdk fdl fdn ffa ffd fff ffk ffl ffn fka fkf fkk fkl fla fld flf fll fln fna fnd fnf fnk fnl fnn ka- kaa kad kaf kak kal kan kda kdf kdk kdl kfa kfd kff kkk kkl kkn kl- kla kld klf kn- kna knd knf knk knl knn la- laa lad laf lak lal lan lda ldd ldf ldk ldl ldn lfa lfd lff lfk lfl lfn lka lkl lla lld llf llk lll lln lna lnd lnk lnl lnn naa nad naf nak nal nan nda ndd ndf ndk ndl ndn nfa nfd nff nfk nfl nfn nka nkf nkk nkn nla nld nlf nlk nll nln nna nnf nnk nnl nnn