quine uqine qiune iqune uiqne iuqne qunie uqnie qnuie nquie unqie nuqie qinue iqnue qniue nqiue inque nique uinqe iunqe uniqe nuiqe inuqe niuqe quien uqien qiuen iquen uiqen iuqen quein uqein qeuin equin ueqin euqin qieun iqeun qeiun eqiun iequn eiqun uieqn iueqn ueiqn euiqn ieuqn eiuqn qunei uqnei qnuei nquei unqei nuqei queni uqeni qeuni equni ueqni euqni qneui nqeui qenui eqnui nequi enqui uneqi nueqi uenqi eunqi neuqi enuqi qineu iqneu qnieu nqieu inqeu niqeu qienu iqenu qeinu eqinu ieqnu eiqnu qneiu nqeiu qeniu eqniu neqiu enqiu inequ niequ ienqu einqu neiqu eniqu uineq iuneq unieq nuieq inueq niueq uienq iuenq ueinq euinq ieunq eiunq uneiq nueiq ueniq euniq neuiq enuiq ineuq nieuq ienuq einuq neiuq eniuq
Note: these 'words' (valid or invalid) are all the permutations of the word quine. These words are obtained by scrambling the letters in quine.