-al -er a-a a-i a-t aaa aae aaf aai aal aar aat aax aea aee aef aei ael aer aet aex af- afa afe aff afi afl afr aft afx ai- aia aie aif aii ail air ait aix al- ala ale alf ali all alr alt alx ar- ara are arf ari arl arr art arx at- ata ate atf ati atl atr att atx ax- axa axe axi axl axr axt axx eaa eae eaf eai eal ear eat eax eea eee eef eel eer eet eex ef- efa efe eff efi efl efr eft efx eia eie eif eii eil eir eit eix ela ele elf eli ell elr elt elx era ere erf eri erl err ert eta ete etf eti etl etr ett etx ex- exa exe exi exl exr ext exx faa fae faf fai fal far fat fax fea fee fef fei fel fer fet fex ffa ffe fff ffi ffl ffr fft ffx fia fie fif fii fil fir fit fix fla fle flf fli fll flr flt flx fra fre frf fri frl frr frt fta fte ftf fti ftl ftr ftt ftx fxe fxi fxr fxt fxx i-f ia- iaa iae iaf iai ial iar iat ie- iea iee ief iei iel ier iet iex ifa ife iff ifi ifl ifr ift ifx iia iie iif iii iil iir iit iix il- ila ile ilf ili ill ilr ilt ilx ir- ira ire irf iri irl irr irt irx ita ite itf iti itl itt itx ixe ixi ixl la- laa lae laf lai lal lar lat lax lea lee lef lei lel ler let lex lfa lfe lff lfi lfl lfr lft lfx lia lie lif lii lil lir lit lix lla lle llf lli lll llr llt lra lrf lri lrr lrt lta lte ltf lti ltl ltr ltt ltx lxi lxr lxx ra- raa rae raf rai ral rar rat rax re- rea ree ref rei rel rer ret rex rfa rfe rff rfi rfl rfr rft ria rie rif rii ril rir rit rix rla rle rlf rli rll rlr rlt rra rrf rri rrl rrr rrt rta rte rtf rti rtl rtr rtt rtx rxr t-x taa tae taf tai tal tar tat tax te- tea tee tef tei tel ter tet tex tfa tfe tff tfi tfl tfr tft tfx tia tie tif tii til tir tit tix tla tle tlf tli tll tlr tlt tlx tra tre trf tri trl trr trt trx tta tte ttf tti ttl ttr ttt ttx txe txf txi txl txt xaa xaf xal xar xat xee xel xer xet xex xfa xfe xfl xft xfx xia xie xii xit xix xla xlf xli xlr xlt xrf xrt xrx xtf xti xtr xtx xxi xxl xxx