swabs wsabs sawbs aswbs wasbs awsbs swbas wsbas sbwas bswas wbsas bwsas sabws asbws sbaws bsaws absws basws wabss awbss wbass bwass abwss bawss swasb wsasb sawsb aswsb wassb awssb swsab wssab sswab sswab wssab swsab saswb asswb ssawb ssawb asswb saswb wassb awssb wsasb swasb aswsb sawsb swbsa wsbsa sbwsa bswsa wbssa bwssa swsba wssba sswba sswba wssba swsba sbswa bsswa ssbwa ssbwa bsswa sbswa wbssa bwssa wsbsa swbsa bswsa sbwsa sabsw asbsw sbasw bsasw abssw bassw sasbw assbw ssabw ssabw assbw sasbw sbsaw bssaw ssbaw ssbaw bssaw sbsaw abssw bassw asbsw sabsw bsasw sbasw wabss awbss wbass bwass abwss bawss wasbs awsbs wsabs swabs aswbs sawbs wbsas bwsas wsbas swbas bswas sbwas absws basws asbws sabws bsaws sbaws
Note: these 'words' (valid or invalid) are all the permutations of the word swabs. These words are obtained by scrambling the letters in swabs.