-er -ji eee eef eel eer eet eex ef- efe eff efi efl efr eft efx eie eif eii eij eil eir eit eix ejf eji ejl ejt ele elf eli ell elr elt elx ere erf eri erl err ert ete etf eti etj etl etr ett etx ex- exe exi exl exr ext exx fee fef fei fel fer fet fex ffe fff ffi ffl ffr fft ffx fie fif fii fij fil fir fit fix fji fle flf fli fll flr flt flx fre frf fri frj frl frr frt fte ftf fti ftl ftr ftt ftx fxe fxi fxr fxt fxx i-f ie- iee ief iei iej iel ier iet iex ife iff ifi ifl ifr ift ifx iie iif iii iij iil iir iit iix ije ijf iji ijl ijt il- ile ilf ili ill ilr ilt ilx ir- ire irf iri irj irl irr irt irx ite itf iti itj itl itt itx ixe ixi ixl j-i jee jef jei jej jel jer jet jfe jff jfi jfj jfl jfr jft jfx jie jif jii jij jil jir jit jjf jjj jjl jjr jle jlf jli jll jlr jlt jlx jrf jri jrl jrr jrt jte jtf jti jtl jtr jtt jxl lee lef lei lej lel ler let lex lfe lff lfi lfl lfr lft lfx lie lif lii lij lil lir lit lix lje ljf ljj lle llf lli llj lll llr llt lrf lri lrr lrt lte ltf lti ltl ltr ltt ltx lxi lxr lxx re- ree ref rei rel rer ret rex rfe rff rfi rfj rfl rfr rft rie rif rii ril rir rit rix rjf rjr rle rlf rli rll rlr rlt rrf rri rrl rrr rrt rte rtf rti rtj rtl rtr rtt rtx rxr t-x te- tee tef tei tej tel ter tet tex tfe tff tfi tfj tfl tfr tft tfx tie tif tii til tir tit tix tje tjf tji tjr tle tlf tli tlj tll tlr tlt tlx tre trf tri trl trr trt trx tte ttf tti ttl ttr ttt ttx txe txf txi txl txt xee xel xer xet xex xfe xfl xft xfx xie xii xit xix xjl xlf xli xlr xlt xrf xrt xrx xtf xti xtr xtx xxi xxl xxx