-al a-a a-i a-t aaa aaf aai aal aan aar aat aax af- afa aff afi afl afn afr aft afx ai- aia aif aii ail ain air ait aix al- ala alf ali all aln alr alt alx an- ana anf ani anl ann anr ant anx ar- ara arf ari arl arn arr art arx at- ata atf ati atl atn atr att atx ax- axa axi axl axn axr axt axx faa faf fai fal fan far fat fax ffa fff ffi ffl ffn ffr fft ffx fia fif fii fil fin fir fit fix fla flf fli fll fln flr flt flx fna fnf fni fnl fnn fnr fnt fnx fra frf fri frl frn frr frt fta ftf fti ftl ftn ftr ftt ftx fxi fxr fxt fxx i-f ia- iaa iaf iai ial ian iar iat ifa iff ifi ifl ifn ifr ift ifx iia iif iii iil iin iir iit iix il- ila ilf ili ill iln ilr ilt ilx in- ina inf ini inl inn inr int inx ir- ira irf iri irl irn irr irt irx ita itf iti itl itn itt itx ixi ixl ixn la- laa laf lai lal lan lar lat lax lfa lff lfi lfl lfn lfr lft lfx lia lif lii lil lin lir lit lix lla llf lli lll lln llr llt lna lni lnl lnn lnr lnt lra lrf lri lrn lrr lrt lta ltf lti ltl ltr ltt ltx lxi lxr lxx n-i naa naf nai nal nan nar nat nax nfa nff nfi nfl nfn nfr nft nia nif nii nil nin nir nit nix nla nlf nli nll nln nlr nlt nlx nna nnf nni nnl nnn nnt nra nrf nri nrl nrn nrr nrt nrx nta ntf nti ntn ntr ntt ntx nxl nxt ra- raa raf rai ral ran rar rat rax rfa rff rfi rfl rfn rfr rft ria rif rii ril rin rir rit rix rla rlf rli rll rln rlr rlt rna rni rnn rnr rnt rra rrf rri rrl rrn rrr rrt rta rtf rti rtl rtn rtr rtt rtx rxr t-x taa taf tai tal tan tar tat tax tfa tff tfi tfl tfn tfr tft tfx tia tif tii til tin tir tit tix tla tlf tli tll tln tlr tlt tlx tna tnf tni tnl tnn tnr tnt tnx tra trf tri trl trn trr trt trx tta ttf tti ttl ttn ttr ttt ttx txf txi txl txn txt xaa xaf xal xan xar xat xfa xfl xfn xft xfx xia xii xin xit xix xla xlf xli xlr xlt xna xrf xrt xrx xtf xti xtr xtx xxi xxl xxx