stawr tsawr satwr astwr taswr atswr stwar tswar swtar wstar twsar wtsar sawtr aswtr swatr wsatr awstr wastr tawsr atwsr twasr wtasr awtsr watsr starw tsarw satrw astrw tasrw atsrw straw tsraw srtaw rstaw trsaw rtsaw sartw asrtw sratw rsatw arstw rastw tarsw atrsw trasw rtasw artsw ratsw stwra tswra swtra wstra twsra wtsra strwa tsrwa srtwa rstwa trswa rtswa swrta wsrta srwta rswta wrsta rwsta twrsa wtrsa trwsa rtwsa wrtsa rwtsa sawrt aswrt swart wsart awsrt wasrt sarwt asrwt srawt rsawt arswt raswt swrat wsrat srwat rswat wrsat rwsat awrst warst arwst rawst wrast rwast tawrs atwrs twars wtars awtrs watrs tarws atrws traws rtaws artws ratws twras wtras trwas rtwas wrtas rwtas awrts warts arwts rawts wrats rwats
Note: these 'words' (valid or invalid) are all the permutations of the word stawr. These words are obtained by scrambling the letters in stawr.