-al -er a-a a-i aaa aae aaf aag aai aal aar aax aea aee aef aeg aei ael aer aex af- afa afe aff afg afi afl afr afx ag- aga age agf agg agi agl agr agx ai- aia aie aif aig aii ail air aix al- ala ale alf alg ali all alr alx ar- ara are arf arg ari arl arr arx ax- axa axe axi axl axr axx eaa eae eaf eag eai eal ear eax eea eee eef eeg eel eer eex ef- efa efe eff efg efi efl efr efx ega ege egf egg egi egl egr egx eia eie eif eig eii eil eir eix ela ele elf elg eli ell elr elx era ere erf erg eri erl err ex- exa exe exi exl exr exx faa fae faf fag fai fal far fax fea fee fef feg fei fel fer fex ffa ffe fff ffg ffi ffl ffr ffx fga fge fgf fgg fgi fgl fgr fia fie fif fig fii fil fir fix fla fle flf flg fli fll flr flx fra fre frf frg fri frl frr fxe fxg fxi fxr fxx gaa gae gaf gag gai gal gar ge- gea gee gef geg gei gel ger gex gfa gfe gff gfi gfl gfr gfx gga ggg ggi ggr gia gie gif gig gii gil gir gla gle glf glg gli gll glr glx gra gre grf grg gri grl grr grx gxa gxf gxl i-f ia- iaa iae iaf iag iai ial iar ie- iea iee ief ieg iei iel ier iex ifa ife iff ifg ifi ifl ifr ifx iga ige igf igg igi igl igr iia iie iif iii iil iir iix il- ila ile ilf ilg ili ill ilr ilx ir- ira ire irf irg iri irl irr irx ixe ixi ixl la- laa lae laf lag lai lal lar lax lea lee lef leg lei lel ler lex lfa lfe lff lfg lfi lfl lfr lfx lga lge lgf lgg lgi lgl lgr lia lie lif lig lii lil lir lix lla lle llf llg lli lll llr lra lrf lrg lri lrr lxi lxr lxx ra- raa rae raf rag rai ral rar rax re- rea ree ref reg rei rel rer rex rfa rfe rff rfg rfi rfl rfr rga rge rgf rgg rgi rgr rgx ria rie rif rig rii ril rir rix rla rle rlf rlg rli rll rlr rra rrf rrg rri rrl rrr rxr xaa xaf xag xal xar xee xeg xel xer xex xfa xfe xfl xfx xge xgi xgl xia xie xii xix xla xlf xlg xli xlr xrf xrx xxi xxl xxx