-al -er a-a aaa aad aae aag aal aar aax ad- ada add ade adg adl adr adx aea aed aee aeg ael aer aex ag- aga agd age agg agl agr agx al- ala ald ale alg all alr alx ar- ara ard are arg arl arr arx ax- axa axe axl axr axx daa dad dae dag dal dar dax dda ddd dde ddg ddl ddr ddx de- dea ded dee deg del der dex dga dgd dge dgg dgl dgr dl- dla dld dle dlg dll dlr dlx dra drd dre drg drl drr drx dxd dxl dxr dxx eaa ead eae eag eal ear eax ed- eda edd ede edg edl edr edx eea eed eee eeg eel eer eex ega egd ege egg egl egr egx ela eld ele elg ell elr elx era erd ere erg erl err ex- exa exd exe exl exr exx g-d gaa gad gae gag gal gar gda gdd gde gdl gdr gdx ge- gea ged gee geg gel ger gex gga ggd ggg ggr gla gld gle glg gll glr glx gra grd gre grg grl grr grx gxa gxl la- laa lad lae lag lal lar lax lda ldd lde ldg ldl ldr lea led lee leg lel ler lex lga lgd lge lgg lgl lgr lla lld lle llg lll llr lra lrd lrg lrr lxd lxr lxx ra- raa rad rae rag ral rar rax rda rdd rde rdg rdl rdr rdx re- rea red ree reg rel rer rex rga rgd rge rgg rgr rgx rla rld rle rlg rll rlr rra rrd rrg rrl rrr rxr xaa xad xag xal xar xda xde xdr xed xee xeg xel xer xex xge xgl xla xld xlg xlr xrd xrx xxl xxx