-al a-a aaa aae aal aan aav aax aea aee ael aen aev aex al- ala ale all aln alv alx an- ana ane anl ann anv anx av- ava ave avl avn avx ax- axa axe axl axn axv axx eaa eae eal ean eav eax eea eee eel een eev eex ela ele ell eln elv elx en- ena ene enl enn env eva eve evl evn evv ex- exa exe exl exx la- laa lae lal lan lav lax lea lee lel len lev lex lla lle lll lln llv lna lne lnl lnn lva lve lvl lvn lvv lvx lxv lxx naa nae nal nan nav nax ne- nea nee nel nen nev nex nla nle nll nln nlv nlx nna nne nnl nnn nnv nva nve nvl nvn nvv nxl nxv v-a v-e vaa vae val van vav vax vea vee vel ven vex vl- vla vle vll vlv vn- vna vnl vnv vva vvv vxa vxl vxv xaa xal xan xav xee xel xen xev xex xla xlv xna xvl xxl xxv xxx