-al -er a-a a-i aaa aae aag aai aal aar aax aea aee aeg aei ael aer aex ag- aga age agg agi agl agr agx ai- aia aie aig aii ail air aix al- ala ale alg ali all alr alx ar- ara are arg ari arl arr arx ax- axa axe axi axl axr axx eaa eae eag eai eal ear eax eea eee eeg eel eer eex ega ege egg egi egl egr egx eia eie eig eii eil eir eix ela ele elg eli ell elr elx era ere erg eri erl err ex- exa exe exi exl exr exx gaa gae gag gai gal gar ge- gea gee geg gei gel ger gex gga ggg ggi ggr gia gie gig gii gil gir gla gle glg gli gll glr glx gra gre grg gri grl grr grx gxa gxl ia- iaa iae iag iai ial iar ie- iea iee ieg iei iel ier iex iga ige igg igi igl igr iia iie iii iil iir iix il- ila ile ilg ili ill ilr ilx ir- ira ire irg iri irl irr irx ixe ixi ixl la- laa lae lag lai lal lar lax lea lee leg lei lel ler lex lga lge lgg lgi lgl lgr lia lie lig lii lil lir lix lla lle llg lli lll llr lra lrg lri lrr lxi lxr lxx ra- raa rae rag rai ral rar rax re- rea ree reg rei rel rer rex rga rge rgg rgi rgr rgx ria rie rig rii ril rir rix rla rle rlg rli rll rlr rra rrg rri rrl rrr rxr xaa xag xal xar xee xeg xel xer xex xge xgi xgl xia xie xii xix xla xlg xli xlr xrx xxi xxl xxx