-al a-a a-i aaa aaf aai aal aan aax af- afa aff afi afl afn afx ai- aia aif aii ail ain aix al- ala alf ali all aln alx an- ana anf ani anl ann anx ax- axa axi axl axn axx faa faf fai fal fan fax ffa fff ffi ffl ffn ffx fia fif fii fil fin fix fla flf fli fll fln flx fna fnf fni fnl fnn fnx fxi fxx i-f ia- iaa iaf iai ial ian ifa iff ifi ifl ifn ifx iia iif iii iil iin iix il- ila ilf ili ill iln ilx in- ina inf ini inl inn inx ixi ixl ixn la- laa laf lai lal lan lax lfa lff lfi lfl lfn lfx lia lif lii lil lin lix lla llf lli lll lln lna lni lnl lnn lxi lxx n-i naa naf nai nal nan nax nfa nff nfi nfl nfn nia nif nii nil nin nix nla nlf nli nll nln nlx nna nnf nni nnl nnn nxl xaa xaf xal xan xfa xfl xfn xfx xia xii xin xix xla xlf xli xna xxi xxl xxx