-al a-a aaa aad aal aan aar ad- ada add adl adn adr al- ala ald all aln alr an- ana and anl ann anr ar- ara ard arl arn arr daa dad dal dan dar dda ddd ddl ddn ddr dl- dla dld dll dlr dna dnd dnl dnn dnr dra drd drl drn drr la- laa lad lal lan lar lda ldd ldl ldn ldr lla lld lll lln llr lna lnd lnl lnn lnr lra lrd lrn lrr naa nad nal nan nar nda ndd ndl ndn ndr nla nld nll nln nlr nna nnl nnn nra nrd nrl nrn nrr ra- raa rad ral ran rar rda rdd rdl rdn rdr rla rld rll rln rlr rna rnd rnn rnr rra rrd rrl rrn rrr