-al a-a aaa aad aae aaf aag aal aan ad- ada add ade adf adg adl adn aea aed aee aef aeg ael aen af- afa afd afe aff afg afl afn ag- aga agd age agf agg agl agn al- ala ald ale alf alg all aln an- ana and ane anf ang anl ann daa dad dae daf dag dal dan dda ddd dde ddf ddg ddl ddn de- dea ded dee def deg del den dfa dfd dfe dff dfg dfl dfn dga dgd dge dgf dgg dgl dgn dl- dla dld dle dlf dlg dll dna dnd dne dnf dng dnl dnn eaa ead eae eaf eag eal ean ed- eda edd ede edf edg edl edn eea eed eee eef eeg eel een ef- efa efd efe eff efg efl ega egd ege egf egg egl egn ela eld ele elf elg ell eln en- ena end ene enf eng enl enn faa fad fae faf fag fal fan fda fdd fde fdf fdg fdl fdn fea fed fee fef feg fel fen ffa ffd ffe fff ffg ffl ffn fga fgd fge fgf fgg fgl fgn fla fld fle flf flg fll fln fna fnd fne fnf fng fnl fnn g-d gaa gad gae gaf gag gal gan gda gdd gde gdf gdl gdn ge- gea ged gee gef geg gel gen gfa gfd gfe gff gfl gga ggd ggg ggn gla gld gle glf glg gll gln gna gnd gne gnf gnl gnn la- laa lad lae laf lag lal lan lda ldd lde ldf ldg ldl ldn lea led lee lef leg lel len lfa lfd lfe lff lfg lfl lfn lga lgd lge lgf lgg lgl lgn lla lld lle llf llg lll lln lna lnd lne lng lnl lnn naa nad nae naf nag nal nan nda ndd nde ndf ndg ndl ndn ne- nea ned nee nef neg nel nen nfa nfd nfe nff nfl nfn nga ngd nge ngf ngg ngl ngn nla nld nle nlf nlg nll nln nna nne nnf nng nnl nnn