-al a-a aaa aad aae aal aax ad- ada add ade adl adx aea aed aee ael aex al- ala ald ale all alx ax- axa axe axl axx daa dad dae dal dax dda ddd dde ddl ddx de- dea ded dee del dex dl- dla dld dle dll dlx dxd dxl dxx eaa ead eae eal eax ed- eda edd ede edl edx eea eed eee eel eex ela eld ele ell elx ex- exa exd exe exl exx la- laa lad lae lal lax lda ldd lde ldl lea led lee lel lex lla lld lle lll lxd lxx xaa xad xal xda xde xed xee xel xex xla xld xxl xxx