-ol ddd dde ddf ddl ddo ddx de- ded dee def del deo dex dfd dfe dff dfl dfo dfx dl- dld dle dlf dll dlo dlx dod doe dof dol doo dox dxd dxl dxo dxx ed- edd ede edf edl edo edx eed eee eef eel eeo eex ef- efd efe eff efl efo efx eld ele elf ell elo elx eo- eod eoe eof eol eoo ex- exd exe exl exo exx fdd fde fdf fdl fdo fdx fed fee fef fel feo fex ffd ffe fff ffl ffo ffx fld fle flf fll flo flx foe fof fol foo fox fxe fxx ldd lde ldf ldl ldo led lee lef lel leo lex lfd lfe lff lfl lfo lfx lld lle llf lll llo lod loe lof lol loo lox lxd lxo lxx odd ode odf odl odo oed oee oef oel oeo oex of- ofd ofe off ofl ofo ofx old ole olf oll olo oo- ood oof ool ooo oox ox- oxf oxo oxx xde xdf xed xee xel xex xfe xfl xfx xld xlf xod xof xoo xox xxl xxo xxx