ustex sutex utsex tusex stuex tsuex usetx suetx uestx eustx seutx esutx utesx tuesx uetsx eutsx teusx etusx steux tseux setux estux tesux etsux ustxe sutxe utsxe tusxe stuxe tsuxe usxte suxte uxste xuste sxute xsute utxse tuxse uxtse xutse txuse xtuse stxue tsxue sxtue xstue txsue xtsue usext suext uesxt eusxt seuxt esuxt usxet suxet uxset xuset sxuet xsuet uexst euxst uxest xuest exust xeust sexut esxut sxeut xseut exsut xesut utexs tuexs uetxs eutxs teuxs etuxs utxes tuxes uxtes xutes txues xtues uexts euxts uxets xuets exuts xeuts texus etxus txeus xteus extus xetus stexu tsexu setxu estxu tesxu etsxu stxeu tsxeu sxteu xsteu txseu xtseu sextu esxtu sxetu xsetu exstu xestu texsu etxsu txesu xtesu extsu xetsu
Note: these 'words' (valid or invalid) are all the permutations of the word ustex. These words are obtained by scrambling the letters in ustex.