tsars stars tasrs atsrs satrs astrs tsras stras trsas rtsas srtas rstas tarss atrss trass rtass artss ratss sarts asrts srats rsats arsts rasts tsasr stasr tassr atssr satsr astsr tssar stsar tssar stsar sstar sstar tassr atssr tsasr stasr astsr satsr sastr asstr ssatr ssatr asstr sastr tsrsa strsa trssa rtssa srtsa rstsa tssra stsra tssra stsra sstra sstra trssa rtssa tsrsa strsa rstsa srtsa srsta rssta ssrta ssrta rssta srsta tarss atrss trass rtass artss ratss tasrs atsrs tsars stars astrs satrs trsas rtsas tsras stras rstas srtas arsts rasts asrts sarts rsats srats sarst asrst srast rsast arsst rasst sasrt assrt ssart ssart assrt sasrt srsat rssat ssrat ssrat rssat srsat arsst rasst asrst sarst rsast srast
Note: these 'words' (valid or invalid) are all the permutations of the word tsars. These words are obtained by scrambling the letters in tsars.