texts etxts txets xtets extts xetts tetxs ettxs ttexs ttexs ettxs tetxs txtes xttes ttxes ttxes xttes txtes extts xetts etxts texts xtets txets texst etxst txest xtest extst xetst tesxt etsxt tsext stext estxt setxt txset xtset tsxet stxet xstet sxtet exstt xestt esxtt sextt xsett sxett tetsx ettsx ttesx ttesx ettsx tetsx testx etstx tsetx stetx esttx settx ttsex ttsex tstex sttex tstex sttex etstx testx esttx settx tsetx stetx txtse xttse ttxse ttxse xttse txtse txste xtste tsxte stxte xstte sxtte ttsxe ttsxe tstxe sttxe tstxe sttxe xtste txste xstte sxtte tsxte stxte extst xetst etxst texst xtest txest exstt xestt esxtt sextt xsett sxett etsxt tesxt estxt setxt tsext stext xtset txset xstet sxtet tsxet stxet
Note: these 'words' (valid or invalid) are all the permutations of the word texts. These words are obtained by scrambling the letters in texts.