tlass ltass talss atlss latss altss tlsas ltsas tslas stlas lstas sltas tasls atsls tsals stals astls satls lasts alsts lsats slats aslts salts tlass ltass talss atlss latss altss tlsas ltsas tslas stlas lstas sltas tasls atsls tsals stals astls satls lasts alsts lsats slats aslts salts tlssa ltssa tslsa stlsa lstsa sltsa tlssa ltssa tslsa stlsa lstsa sltsa tssla stsla tssla stsla sstla sstla lssta slsta lssta slsta sslta sslta tassl atssl tsasl stasl astsl satsl tassl atssl tsasl stasl astsl satsl tssal stsal tssal stsal sstal sstal asstl sastl asstl sastl ssatl ssatl lasst alsst lsast slast aslst salst lasst alsst lsast slast aslst salst lssat slsat lssat slsat sslat sslat asslt saslt asslt saslt ssalt ssalt
Note: these 'words' (valid or invalid) are all the permutations of the word tlass. These words are obtained by scrambling the letters in tlass.