-al a-a aaa aad aal aan aav ad- ada add adl adn adv al- ala ald all aln alv an- ana and anl ann anv av- ava avd avl avn daa dad dal dan dav dda ddd ddl ddn dl- dla dld dll dlv dna dnd dnl dnn dva dvd dvl dvn la- laa lad lal lan lav lda ldd ldl ldn ldv lla lld lll lln llv lna lnd lnl lnn lva lvd lvl lvn lvv naa nad nal nan nav nda ndd ndl ndn ndv nla nld nll nln nlv nna nnl nnn nnv nva nvd nvl nvn nvv v-a vaa vad val van vav vdd vdl vdv vl- vla vld vll vlv vn- vna vnd vnl vnv vva vvv