isans sians iasns aisns sains asins isnas sinas insas nisas snias nsias ianss ainss inass niass aniss naiss sanis asnis snais nsais ansis nasis isasn siasn iassn aissn saisn asisn issan sisan issan sisan ssian ssian iassn aissn isasn siasn asisn saisn sasin assin ssain ssain assin sasin isnsa sinsa inssa nissa snisa nsisa issna sisna issna sisna ssina ssina inssa nissa isnsa sinsa nsisa snisa snsia nssia ssnia ssnia nssia snsia ianss ainss inass niass aniss naiss iasns aisns isans sians asins sains insas nisas isnas sinas nsias snias ansis nasis asnis sanis nsais snais sansi asnsi snasi nsasi anssi nassi sasni assni ssani ssani assni sasni snsai nssai ssnai ssnai nssai snsai anssi nassi asnsi sansi nsasi snasi
Note: these 'words' (valid or invalid) are all the permutations of the word isans. These words are obtained by scrambling the letters in isans.