canns acnns cnans ncans ancns nacns canns acnns cnans ncans ancns nacns cnnas ncnas cnnas ncnas nncas nncas anncs nancs anncs nancs nnacs nnacs cansn acnsn cnasn ncasn ancsn nacsn casnn acsnn csann scann ascnn sacnn cnsan ncsan csnan scnan nscan sncan anscn nascn asncn sancn nsacn snacn cansn acnsn cnasn ncasn ancsn nacsn casnn acsnn csann scann ascnn sacnn cnsan ncsan csnan scnan nscan sncan anscn nascn asncn sancn nsacn snacn cnnsa ncnsa cnnsa ncnsa nncsa nncsa cnsna ncsna csnna scnna nscna sncna cnsna ncsna csnna scnna nscna sncna nnsca nnsca nsnca snnca nsnca snnca annsc nansc annsc nansc nnasc nnasc ansnc nasnc asnnc sannc nsanc snanc ansnc nasnc asnnc sannc nsanc snanc nnsac nnsac nsnac snnac nsnac snnac
Note: these 'words' (valid or invalid) are all the permutations of the word canns. These words are obtained by scrambling the letters in canns.