-al a-a a-t aaa aad aae aaf aal aat aax ad- ada add ade adf adl adt adx aea aed aee aef ael aet aex af- afa afd afe aff afl aft afx al- ala ald ale alf all alt alx at- ata atd ate atf atl att atx ax- axa axe axl axt axx daa dad dae daf dal dat dax dda ddd dde ddf ddl ddt ddx de- dea ded dee def del det dex dfa dfd dfe dff dfl dft dfx dl- dla dld dle dlf dll dlt dlx dta dtd dte dtf dtl dtt dtx dxd dxl dxt dxx eaa ead eae eaf eal eat eax ed- eda edd ede edf edl edt edx eea eed eee eef eel eet eex ef- efa efd efe eff efl eft efx ela eld ele elf ell elt elx eta etd ete etf etl ett etx ex- exa exd exe exl ext exx faa fad fae faf fal fat fax fda fdd fde fdf fdl fdt fdx fea fed fee fef fel fet fex ffa ffd ffe fff ffl fft ffx fla fld fle flf fll flt flx fta ftd fte ftf ftl ftt ftx fxe fxt fxx la- laa lad lae laf lal lat lax lda ldd lde ldf ldl ldt lea led lee lef lel let lex lfa lfd lfe lff lfl lft lfx lla lld lle llf lll llt lta ltd lte ltf ltl ltt ltx lxd lxx t-x taa tad tae taf tal tat tax tda tdd tde tdf tdl tdt tdx te- tea ted tee tef tel tet tex tfa tfd tfe tff tfl tft tfx tla tld tle tlf tll tlt tlx tta ttd tte ttf ttl ttt ttx txe txf txl txt xaa xad xaf xal xat xda xde xdf xdt xed xee xel xet xex xfa xfe xfl xft xfx xla xld xlf xlt xtf xtx xxl xxx