-al a-a aaa aae aaf aal aan aav aea aee aef ael aen aev af- afa afe aff afl afn afv al- ala ale alf all aln alv an- ana ane anf anl ann anv av- ava ave avf avl avn eaa eae eaf eal ean eav eea eee eef eel een eev ef- efa efe eff efl ela ele elf ell eln elv en- ena ene enf enl enn env eva eve evf evl evn evv faa fae faf fal fan fav fea fee fef fel fen fev ffa ffe fff ffl ffn ffv fla fle flf fll fln fna fne fnf fnl fnn fnv fva la- laa lae laf lal lan lav lea lee lef lel len lev lfa lfe lff lfl lfn lla lle llf lll lln llv lna lne lnl lnn lva lve lvf lvl lvn lvv naa nae naf nal nan nav ne- nea nee nef nel nen nev nfa nfe nff nfl nfn nfv nla nle nlf nll nln nlv nna nne nnf nnl nnn nnv nva nve nvl nvn nvv v-a v-e vaa vae val van vav vea vee vef vel ven vfa vff vfl vfn vfv vl- vla vle vlf vll vlv vn- vna vnf vnl vnv vva vvv