-al -er a-a a-i aaa aae aai aal aar aax aea aee aei ael aer aex ai- aia aie aii ail air aix al- ala ale ali all alr alx ar- ara are ari arl arr arx ax- axa axe axi axl axr axx eaa eae eai eal ear eax eea eee eel eer eex eia eie eii eil eir eix ela ele eli ell elr elx era ere eri erl err ex- exa exe exi exl exr exx ia- iaa iae iai ial iar ie- iea iee iei iel ier iex iia iie iii iil iir iix il- ila ile ili ill ilr ilx ir- ira ire iri irl irr irx ixe ixi ixl la- laa lae lai lal lar lax lea lee lei lel ler lex lia lie lii lil lir lix lla lle lli lll llr lra lri lrr lxi lxr lxx ra- raa rae rai ral rar rax re- rea ree rei rel rer rex ria rie rii ril rir rix rla rle rli rll rlr rra rri rrl rrr rxr xaa xal xar xee xel xer xex xia xie xii xix xla xli xlr xrx xxi xxl xxx