skart ksart sakrt askrt kasrt aksrt skrat ksrat srkat rskat krsat rksat sarkt asrkt srakt rsakt arskt raskt karst akrst krast rkast arkst rakst skatr ksatr saktr asktr kastr akstr sktar kstar stkar tskar ktsar tksar satkr astkr stakr tsakr atskr taskr katsr aktsr ktasr tkasr atksr taksr skrta ksrta srkta rskta krsta rksta sktra kstra stkra tskra ktsra tksra srtka rstka strka tsrka rtska trska krtsa rktsa ktrsa tkrsa rtksa trksa sartk asrtk sratk rsatk arstk rastk satrk astrk stark tsark atsrk tasrk srtak rstak strak tsrak rtsak trsak artsk ratsk atrsk tarsk rtask trask karts akrts krats rkats arkts rakts katrs aktrs ktars tkars atkrs takrs krtas rktas ktras tkras rtkas trkas artks ratks atrks tarks rtaks traks
Note: these 'words' (valid or invalid) are all the permutations of the word skart. These words are obtained by scrambling the letters in skart.