-al a-a aaa aad aae aah aal aax ad- ada add ade adh adl adx aea aed aee aeh ael aex aha ahd ahe ahh ahl ahx al- ala ald ale alh all alx ax- axa axe axh axl axx daa dad dae dah dal dax dda ddd dde ddh ddl ddx de- dea ded dee deh del dex dh- dha dhd dhe dhh dhl dl- dla dld dle dlh dll dlx dxd dxl dxx eaa ead eae eah eal eax ed- eda edd ede edh edl edx eea eed eee eel eex eha ehd ehe ehh ehl ela eld ele elh ell elx ex- exa exd exe exh exl exx haa had hae hah hal hax hda hdd hde hdh hdl hdx he- hea hed hee heh hel hex hha hhd hhe hhh hhl hla hld hle hlh hll hlx hxd hxl la- laa lad lae lah lal lax lda ldd lde ldh ldl lea led lee leh lel lex lha lhd lhh lhx lla lld lle lll lxd lxx xaa xad xal xda xde xdh xed xee xel xex xhd xla xld xxl xxx