tssha stsha tssha stsha sstha sstha tshsa sthsa thssa htssa shtsa hstsa tshsa sthsa thssa htssa shtsa hstsa sshta sshta shsta hssta shsta hssta tssah stsah tssah stsah sstah sstah tsash stash tassh atssh satsh astsh tsash stash tassh atssh satsh astsh ssath ssath sasth assth sasth assth tshas sthas thsas htsas shtas hstas tsahs stahs tashs atshs saths asths thass htass tahss athss hatss ahtss shats hsats sahts ashts hasts ahsts tshas sthas thsas htsas shtas hstas tsahs stahs tashs atshs saths asths thass htass tahss athss hatss ahtss shats hsats sahts ashts hasts ahsts sshat sshat shsat hssat shsat hssat ssaht ssaht sasht assht sasht assht shast hsast sahst ashst hasst ahsst shast hsast sahst ashst hasst ahsst
Note: these 'words' (valid or invalid) are all the permutations of the word tssha. These words are obtained by scrambling the letters in tssha.