nuteq unteq ntueq tnueq utneq tuneq nuetq unetq neutq enutq uentq euntq nteuq tneuq netuq entuq tenuq etnuq utenq tuenq uetnq eutnq teunq etunq nutqe untqe ntuqe tnuqe utnqe tunqe nuqte unqte nqute qnute uqnte qunte ntque tnque nqtue qntue tqnue qtnue utqne tuqne uqtne qutne tqune qtune nueqt uneqt neuqt enuqt uenqt eunqt nuqet unqet nquet qnuet uqnet qunet nequt enqut nqeut qneut eqnut qenut ueqnt euqnt uqent quent equnt qeunt ntequ tnequ netqu entqu tenqu etnqu ntqeu tnqeu nqteu qnteu tqneu qtneu neqtu enqtu nqetu qnetu eqntu qentu teqnu etqnu tqenu qtenu eqtnu qetnu uteqn tueqn uetqn eutqn teuqn etuqn utqen tuqen uqten quten tquen qtuen ueqtn euqtn uqetn quetn equtn qeutn tequn etqun tqeun qteun eqtun qetun
Note: these 'words' (valid or invalid) are all the permutations of the word nuteq. These words are obtained by scrambling the letters in nuteq.