-ol eee eef eel eeo eet eew eex ef- efe eff efl efo eft efw efx ele elf ell elo elt elw elx eo- eoe eof eol eoo eot eow ete etf etl eto ett etw etx ewe ewf ewl ewo ewt eww ex- exe exl exo ext exw exx fee fef fel feo fet few fex ffe fff ffl ffo fft ffw ffx fle flf fll flo flt flw flx foe fof fol foo fot fow fox fte ftf ftl fto ftt ftw ftx fwe fwf fwl fwo fwt fwx fxe fxt fxx lee lef lel leo let lew lex lfe lff lfl lfo lft lfx lle llf lll llo llt llw loe lof lol loo lot low lox lte ltf ltl lto ltt ltx lwl lwo lww lxo lxx oee oef oel oeo oet oex of- ofe off ofl ofo oft ofw ofx ole olf oll olo olt olw oo- oof ool ooo oot oow oox ot- ote otf otl oto ott otw owe owf owl owo owt oww ox- oxf oxo oxt oxx t-x te- tee tef tel teo tet tew tex tfe tff tfl tfo tft tfw tfx tle tlf tll tlo tlt tlw tlx to- toe tof tol too tot tow tox tte ttf ttl tto ttt ttw ttx twe twf twl two twt tww twx txe txf txl txt wee wef wel weo wet wew wex wfe wff wfl wfo wft wfw wl- wle wlf wll wlo wlt wlw woe wof wol woo wot wow wox wtf wto wtt wtw wtx wwe wwf wwl wwo wwt www wxw xee xel xet xew xex xfe xfl xft xfx xlf xlt xof xoo xot xox xtf xtx xwt xxl xxo xxx