tospt otspt tsopt stopt ostpt sotpt topst otpst tpost ptost optst potst tspot stpot tpsot ptsot sptot pstot osptt soptt opstt postt spott psott tostp otstp tsotp stotp osttp sottp totsp ottsp ttosp ttosp ottsp totsp tstop sttop ttsop ttsop sttop tstop osttp sottp otstp tostp stotp tsotp topts otpts tpots ptots optts potts totps ottps ttops ttops ottps totps tptos pttos ttpos ttpos pttos tptos optts potts otpts topts ptots tpots tspto stpto tpsto ptsto sptto pstto tstpo sttpo ttspo ttspo sttpo tstpo tptso pttso ttpso ttpso pttso tptso sptto pstto stpto tspto ptsto tpsto osptt soptt opstt postt spott psott ostpt sotpt otspt tospt stopt tsopt optst potst otpst topst ptost tpost sptot pstot stpot tspot ptsot tpsot
Note: these 'words' (valid or invalid) are all the permutations of the word tospt. These words are obtained by scrambling the letters in tospt.