-al a-a a-t aaa aad aal aan aat aax ad- ada add adl adn adt adx al- ala ald all aln alt alx an- ana and anl ann ant anx at- ata atd atl atn att atx ax- axa axl axn axt axx daa dad dal dan dat dax dda ddd ddl ddn ddt ddx dl- dla dld dll dlt dlx dna dnd dnl dnn dnt dta dtd dtl dtn dtt dtx dxd dxl dxn dxt dxx la- laa lad lal lan lat lax lda ldd ldl ldn ldt lla lld lll lln llt lna lnd lnl lnn lnt lta ltd ltl ltt ltx lxd lxx naa nad nal nan nat nax nda ndd ndl ndn ndt nla nld nll nln nlt nlx nna nnl nnn nnt nta ntd ntn ntt ntx nxd nxl nxt t-x taa tad tal tan tat tax tda tdd tdl tdn tdt tdx tla tld tll tln tlt tlx tna tnd tnl tnn tnt tnx tta ttd ttl ttn ttt ttx txl txn txt xaa xad xal xan xat xda xdt xla xld xlt xna xtx xxl xxx