-al -er a-a aaa aad aae aal aar aax ad- ada add ade adl adr adx aea aed aee ael aer aex al- ala ald ale all alr alx ar- ara ard are arl arr arx ax- axa axe axl axr axx daa dad dae dal dar dax dda ddd dde ddl ddr ddx de- dea ded dee del der dex dl- dla dld dle dll dlr dlx dra drd dre drl drr drx dxd dxl dxr dxx eaa ead eae eal ear eax ed- eda edd ede edl edr edx eea eed eee eel eer eex ela eld ele ell elr elx era erd ere erl err ex- exa exd exe exl exr exx la- laa lad lae lal lar lax lda ldd lde ldl ldr lea led lee lel ler lex lla lld lle lll llr lra lrd lrr lxd lxr lxx ra- raa rad rae ral rar rax rda rdd rde rdl rdr rdx re- rea red ree rel rer rex rla rld rle rll rlr rra rrd rrl rrr rxr xaa xad xal xar xda xde xdr xed xee xel xer xex xla xld xlr xrd xrx xxl xxx