-al a-a a-t aaa aad aag aal aan aar aat aax ad- ada add adg adl adn adr adt adx ag- aga agd agg agl agn agr agt agx al- ala ald alg all aln alr alt alx an- ana and ang anl ann anr ant anx ar- ara ard arg arl arn arr art arx at- ata atd atg atl atn atr att atx ax- axa axl axn axr axt axx daa dad dag dal dan dar dat dax dda ddd ddg ddl ddn ddr ddt ddx dga dgd dgg dgl dgn dgr dgt dl- dla dld dlg dll dlr dlt dlx dna dnd dng dnl dnn dnr dnt dra drd drg drl drn drr drt drx dta dtd dtg dtl dtn dtr dtt dtx dxd dxl dxn dxr dxt dxx g-d gaa gad gag gal gan gar gat gda gdd gdl gdn gdr gdt gdx gga ggd ggg ggn ggr ggt gla gld glg gll gln glr glt glx gna gnd gnl gnn gnr gnt gra grd grg grl grn grr grt grx gta gtd gtg gtl gtn gtr gtt gtx gxa gxl gxt la- laa lad lag lal lan lar lat lax lda ldd ldg ldl ldn ldr ldt lga lgd lgg lgl lgn lgr lgt lla lld llg lll lln llr llt lna lnd lng lnl lnn lnr lnt lra lrd lrg lrn lrr lrt lta ltd ltg ltl ltr ltt ltx lxd lxr lxx naa nad nag nal nan nar nat nax nda ndd ndg ndl ndn ndr ndt nga ngd ngg ngl ngn ngt nla nld nlg nll nln nlr nlt nlx nna nng nnl nnn nnt nra nrd nrg nrl nrn nrr nrt nrx nta ntd ntg ntn ntr ntt ntx nxd nxl nxt ra- raa rad rag ral ran rar rat rax rda rdd rdg rdl rdn rdr rdt rdx rga rgd rgg rgn rgr rgt rgx rla rld rlg rll rln rlr rlt rna rnd rng rnn rnr rnt rra rrd rrg rrl rrn rrr rrt rta rtd rtg rtl rtn rtr rtt rtx rxr t-x taa tad tag tal tan tar tat tax tda tdd tdg tdl tdn tdr tdt tdx tga tgg tgl tgn tgr tgt tla tld tlg tll tln tlr tlt tlx tna tnd tng tnl tnn tnr tnt tnx tra trd trg trl trn trr trt trx tta ttd ttg ttl ttn ttr ttt ttx txl txn txt xaa xad xag xal xan xar xat xda xdr xdt xgl xla xld xlg xlr xlt xna xrd xrt xrx xtr xtx xxl xxx