ineq nieq ienq einq neiq eniq inqe niqe iqne qine nqie qnie ieqn eiqn iqen qien eqin qein neqi enqi nqei qnei eqni qeni
Note: these 'words' (valid or invalid) are all the permutations of the word ineq. These words are obtained by scrambling the letters in ineq.