ennui nenui ennui nenui nneui nneui enuni neuni eunni uenni nueni uneni enuni neuni eunni uenni nueni uneni nnuei nnuei nunei unnei nunei unnei enniu neniu enniu neniu nneiu nneiu eninu neinu einnu iennu nienu inenu eninu neinu einnu iennu nienu inenu nnieu nnieu nineu inneu nineu inneu enuin neuin eunin uenin nuein unein eniun neiun einun ienun nieun ineun euinn ueinn eiunn ieunn uienn iuenn nuien unien niuen inuen uinen iunen enuin neuin eunin uenin nuein unein eniun neiun einun ienun nieun ineun euinn ueinn eiunn ieunn uienn iuenn nuien unien niuen inuen uinen iunen nnuie nnuie nunie unnie nunie unnie nniue nniue ninue innue ninue innue nuine unine niune inune uinne iunne nuine unine niune inune uinne iunne
Note: these 'words' (valid or invalid) are all the permutations of the word ennui. These words are obtained by scrambling the letters in ennui.