tatts attts ttats ttats attts tatts tatts attts ttats ttats attts tatts tttas tttas tttas tttas tttas tttas attts tatts attts tatts ttats ttats tatst attst ttast ttast attst tatst tastt atstt tsatt statt asttt sattt ttsat ttsat tstat sttat tstat sttat atstt tastt asttt sattt tsatt statt tatst attst ttast ttast attst tatst tastt atstt tsatt statt asttt sattt ttsat ttsat tstat sttat tstat sttat atstt tastt asttt sattt tsatt statt tttsa tttsa tttsa tttsa tttsa tttsa ttsta ttsta tstta sttta tstta sttta ttsta ttsta tstta sttta tstta sttta ttsta ttsta tstta sttta tstta sttta attst tatst attst tatst ttast ttast atstt tastt asttt sattt tsatt statt atstt tastt asttt sattt tsatt statt ttsat ttsat tstat sttat tstat sttat
Note: these 'words' (valid or invalid) are all the permutations of the word tatts. These words are obtained by scrambling the letters in tatts.