-al -er -ol a-a aaa aad aae aal aao aar aax ad- ada add ade adl ado adr adx aea aed aee ael aeo aer aex al- ala ald ale all alo alr alx aoa aod aoe aol aoo aor aox ar- ara ard are arl aro arr arx ax- axa axe axl axo axr axx daa dad dae dal dao dar dax dda ddd dde ddl ddo ddr ddx de- dea ded dee del deo der dex dl- dla dld dle dll dlo dlr dlx doa dod doe dol doo dor dox dra drd dre drl dro drr drx dxd dxl dxo dxr dxx eaa ead eae eal eao ear eax ed- eda edd ede edl edo edr edx eea eed eee eel eeo eer eex ela eld ele ell elo elr elx eo- eoa eod eoe eol eoo eor era erd ere erl ero err ex- exa exd exe exl exo exr exx la- laa lad lae lal lao lar lax lda ldd lde ldl ldo ldr lea led lee lel leo ler lex lla lld lle lll llo llr loa lod loe lol loo lor lox lra lrd lro lrr lxd lxo lxr lxx oaa oad oae oal oao oar oax oda odd ode odl odo odr oea oed oee oel oeo oer oex ola old ole oll olo oo- ooa ood ool ooo oor oox or- ora ord ore orl oro orr orx ox- oxa oxo oxx ra- raa rad rae ral rao rar rax rda rdd rde rdl rdo rdr rdx re- rea red ree rel reo rer rex rla rld rle rll rlo rlr roa rod roe rol roo ror rox rra rrd rrl rrr rxr xaa xad xal xar xda xde xdr xed xee xel xer xex xla xld xlr xoa xod xoo xor xox xrd xrx xxl xxo xxx