-ol ddd dde ddl ddo ddt ddx de- ded dee del deo det dex dl- dld dle dll dlo dlt dlx dod doe dol doo dot dox dtd dte dtl dto dtt dtx dxd dxl dxo dxt dxx ed- edd ede edl edo edt edx eed eee eel eeo eet eex eld ele ell elo elt elx eo- eod eoe eol eoo eot etd ete etl eto ett etx ex- exd exe exl exo ext exx ldd lde ldl ldo ldt led lee lel leo let lex lld lle lll llo llt lod loe lol loo lot lox ltd lte ltl lto ltt ltx lxd lxo lxx odd ode odl odo odt oed oee oel oeo oet oex old ole oll olo olt oo- ood ool ooo oot oox ot- otd ote otl oto ott ox- oxo oxt oxx t-x tdd tde tdl tdo tdt tdx te- ted tee tel teo tet tex tld tle tll tlo tlt tlx to- tod toe tol too tot tox ttd tte ttl tto ttt ttx txe txl txt xde xdt xed xee xel xet xex xld xlt xod xoo xot xox xtx xxl xxo xxx