-al -er a-a a-i aaa aad aae aag aai aal aar aax ad- ada add ade adg adi adl adr adx aea aed aee aeg aei ael aer aex ag- aga agd age agg agi agl agr agx ai- aia aid aie aig aii ail air aix al- ala ald ale alg ali all alr alx ar- ara ard are arg ari arl arr arx ax- axa axe axi axl axr axx daa dad dae dag dai dal dar dax dda ddd dde ddg ddi ddl ddr ddx de- dea ded dee deg dei del der dex dga dgd dge dgg dgi dgl dgr di- dia did die dig dii dil dir dix dl- dla dld dle dlg dli dll dlr dlx dra drd dre drg dri drl drr drx dxd dxi dxl dxr dxx eaa ead eae eag eai eal ear eax ed- eda edd ede edg edi edl edr edx eea eed eee eeg eel eer eex ega egd ege egg egi egl egr egx eia eid eie eig eii eil eir eix ela eld ele elg eli ell elr elx era erd ere erg eri erl err ex- exa exd exe exi exl exr exx g-d gaa gad gae gag gai gal gar gda gdd gde gdi gdl gdr gdx ge- gea ged gee geg gei gel ger gex gga ggd ggg ggi ggr gia gid gie gig gii gil gir gla gld gle glg gli gll glr glx gra grd gre grg gri grl grr grx gxa gxl i-d ia- iaa iad iae iag iai ial iar ida idd ide idg idi idl idr idx ie- iea ied iee ieg iei iel ier iex iga igd ige igg igi igl igr iia iid iie iii iil iir iix il- ila ild ile ilg ili ill ilr ilx ir- ira ird ire irg iri irl irr irx ixe ixi ixl la- laa lad lae lag lai lal lar lax lda ldd lde ldg ldi ldl ldr lea led lee leg lei lel ler lex lga lgd lge lgg lgi lgl lgr lia lid lie lig lii lil lir lix lla lld lle llg lli lll llr lra lrd lrg lri lrr lxd lxi lxr lxx ra- raa rad rae rag rai ral rar rax rda rdd rde rdg rdi rdl rdr rdx re- rea red ree reg rei rel rer rex rga rgd rge rgg rgi rgr rgx ria rid rie rig rii ril rir rix rla rld rle rlg rli rll rlr rra rrd rrg rri rrl rrr rxr xaa xad xag xal xar xda xde xdi xdr xed xee xeg xel xer xex xge xgi xgl xia xie xii xix xla xld xlg xli xlr xrd xrx xxi xxl xxx