-al a-a aaa aad aaf aag aal aan ad- ada add adf adg adl adn af- afa afd aff afg afl afn ag- aga agd agf agg agl agn al- ala ald alf alg all aln an- ana and anf ang anl ann daa dad daf dag dal dan dda ddd ddf ddg ddl ddn dfa dfd dff dfg dfl dfn dga dgd dgf dgg dgl dgn dl- dla dld dlf dlg dll dna dnd dnf dng dnl dnn faa fad faf fag fal fan fda fdd fdf fdg fdl fdn ffa ffd fff ffg ffl ffn fga fgd fgf fgg fgl fgn fla fld flf flg fll fln fna fnd fnf fng fnl fnn g-d gaa gad gaf gag gal gan gda gdd gdf gdl gdn gfa gfd gff gfl gga ggd ggg ggn gla gld glf glg gll gln gna gnd gnf gnl gnn la- laa lad laf lag lal lan lda ldd ldf ldg ldl ldn lfa lfd lff lfg lfl lfn lga lgd lgf lgg lgl lgn lla lld llf llg lll lln lna lnd lng lnl lnn naa nad naf nag nal nan nda ndd ndf ndg ndl ndn nfa nfd nff nfl nfn nga ngd ngf ngg ngl ngn nla nld nlf nlg nll nln nna nnf nng nnl nnn