sorts osrts srots rsots orsts rosts sotrs ostrs stors tsors otsrs tosrs srtos rstos stros tsros rtsos trsos ortss rotss otrss torss rtoss tross sorst osrst srost rsost orsst rosst sosrt ossrt ssort ssort ossrt sosrt srsot rssot ssrot ssrot rssot srsot orsst rosst osrst sorst rsost srost sotsr ostsr stosr tsosr otssr tossr sostr osstr ssotr ssotr osstr sostr stsor tssor sstor sstor tssor stsor otssr tossr ostsr sotsr tsosr stosr srtso rstso strso tsrso rtsso trsso srsto rssto ssrto ssrto rssto srsto stsro tssro sstro sstro tssro stsro rtsso trsso rstso srtso tsrso strso ortss rotss otrss torss rtoss tross orsts rosts osrts sorts rsots srots otsrs tosrs ostrs sotrs tsors stors rtsos trsos rstos srtos tsros stros
Note: these 'words' (valid or invalid) are all the permutations of the word sorts. These words are obtained by scrambling the letters in sorts.