-al a-a aaa aaf aal aan aav af- afa aff afl afn afv al- ala alf all aln alv an- ana anf anl ann anv av- ava avf avl avn faa faf fal fan fav ffa fff ffl ffn ffv fla flf fll fln fna fnf fnl fnn fnv fva la- laa laf lal lan lav lfa lff lfl lfn lla llf lll lln llv lna lnl lnn lva lvf lvl lvn lvv naa naf nal nan nav nfa nff nfl nfn nfv nla nlf nll nln nlv nna nnf nnl nnn nnv nva nvl nvn nvv v-a vaa val van vav vfa vff vfl vfn vfv vl- vla vlf vll vlv vn- vna vnf vnl vnv vva vvv