-al a-a aaa aad aal aan aar aav ad- ada add adl adn adr adv al- ala ald all aln alr alv an- ana and anl ann anr anv ar- ara ard arl arn arr arv av- ava avd avl avn avr daa dad dal dan dar dav dda ddd ddl ddn ddr dl- dla dld dll dlr dlv dna dnd dnl dnn dnr dra drd drl drn drr drv dva dvd dvl dvn dvr la- laa lad lal lan lar lav lda ldd ldl ldn ldr ldv lla lld lll lln llr llv lna lnd lnl lnn lnr lra lrd lrn lrr lrv lva lvd lvl lvn lvr lvv naa nad nal nan nar nav nda ndd ndl ndn ndr ndv nla nld nll nln nlr nlv nna nnl nnn nnv nra nrd nrl nrn nrr nrv nva nvd nvl nvn nvv ra- raa rad ral ran rar rav rda rdd rdl rdn rdr rdv rla rld rll rln rlr rna rnd rnn rnr rnv rra rrd rrl rrn rrr rva rvd rvl rvn rvr rvv v-a vaa vad val van var vav vdd vdl vdr vdv vl- vla vld vll vlv vn- vna vnd vnl vnr vnv vra vrd vrn vrr vva vvr vvv