esinc seinc eisnc iesnc sienc isenc esnic senic ensic nesic sneic nseic einsc iensc enisc neisc inesc niesc sinec isnec sniec nsiec insec nisec esicn seicn eiscn iescn siecn isecn escin secin ecsin cesin scein csein eicsn iecsn ecisn ceisn icesn ciesn sicen iscen scien csien icsen cisen esnci senci ensci nesci sneci nseci escni secni ecsni cesni sceni cseni encsi necsi ecnsi censi ncesi cnesi sncei nscei scnei csnei ncsei cnsei eincs iencs enics neics inecs niecs eicns iecns ecins ceins icens ciens encis necis ecnis cenis nceis cneis inces nices icnes cines ncies cnies since isnce snice nsice insce nisce sicne iscne scine csine icsne cisne sncie nscie scnie csnie ncsie cnsie incse nicse icnse cinse ncise cnise
Note: these 'words' (valid or invalid) are all the permutations of the word esinc. These words are obtained by scrambling the letters in esinc.