nowts onwts nwots wnots ownts wonts notws ontws ntows tnows otnws tonws nwtos wntos ntwos tnwos wtnos twnos owtns wotns otwns towns wtons twons nowst onwst nwost wnost ownst wonst noswt onswt nsowt snowt osnwt sonwt nwsot wnsot nswot snwot wsnot swnot owsnt wosnt oswnt sownt wsont swont notsw ontsw ntosw tnosw otnsw tonsw nostw onstw nsotw snotw osntw sontw ntsow tnsow nstow sntow tsnow stnow otsnw tosnw ostnw sotnw tsonw stonw nwtso wntso ntwso tnwso wtnso twnso nwsto wnsto nswto snwto wsnto swnto ntswo tnswo nstwo sntwo tsnwo stnwo wtsno twsno wstno swtno tswno stwno owtsn wotsn otwsn towsn wtosn twosn owstn wostn oswtn sowtn wsotn swotn otswn toswn ostwn sotwn tsown stown wtson twson wston swton tswon stwon
Note: these 'words' (valid or invalid) are all the permutations of the word nowts. These words are obtained by scrambling the letters in nowts.