swims wsims siwms iswms wisms iwsms swmis wsmis smwis mswis wmsis mwsis simws ismws smiws msiws imsws misws wimss iwmss wmiss mwiss imwss miwss swism wsism siwsm iswsm wissm iwssm swsim wssim sswim sswim wssim swsim siswm isswm ssiwm ssiwm isswm siswm wissm iwssm wsism swism iswsm siwsm swmsi wsmsi smwsi mswsi wmssi mwssi swsmi wssmi sswmi sswmi wssmi swsmi smswi msswi ssmwi ssmwi msswi smswi wmssi mwssi wsmsi swmsi mswsi smwsi simsw ismsw smisw msisw imssw missw sismw issmw ssimw ssimw issmw sismw smsiw mssiw ssmiw ssmiw mssiw smsiw imssw missw ismsw simsw msisw smisw wimss iwmss wmiss mwiss imwss miwss wisms iwsms wsims swims iswms siwms wmsis mwsis wsmis swmis mswis smwis imsws misws ismws simws msiws smiws
Note: these 'words' (valid or invalid) are all the permutations of the word swims. These words are obtained by scrambling the letters in swims.