-al -er a-a aaa aae aak aal aar aax aea aee aek ael aer aex aka ake akk akl akr al- ala ale alk all alr alx ar- ara are ark arl arr arx ax- axa axe axk axl axr axx eaa eae eak eal ear eax eea eee eek eel eer eex eka eke ekl ekr ela ele elk ell elr elx era ere erk erl err ex- exa exe exl exr exx ka- kaa kae kak kal kar kax ke- kea kee kek kel ker kex kke kkk kkl kkr kl- kla klr klx kra krk krl krr kxl la- laa lae lak lal lar lax lea lee lek lel ler lex lka lkl lkr lla lle llk lll llr lra lrk lrr lxr lxx ra- raa rae rak ral rar rax re- rea ree rek rel rer rex rke rkk rla rle rll rlr rra rrk rrl rrr rxr xaa xak xal xar xee xel xer xex xke xkl xla xlr xrx xxl xxx