iring riing iirng iirng riing iring irnig rinig inrig nirig rniig nriig iinrg iinrg inirg niirg inirg niirg rinig irnig rniig nriig inrig nirig irign riign iirgn iirgn riign irign irgin rigin igrin girin rgiin griin iigrn iigrn igirn giirn igirn giirn rigin irgin rgiin griin igrin girin irngi ringi inrgi nirgi rnigi nrigi irgni rigni igrni girni rgini grini ingri nigri ignri ginri ngiri gniri rngii nrgii rgnii grnii ngrii gnrii iingr iingr inigr niigr inigr niigr iignr iignr iginr giinr iginr giinr ingir nigir ignir ginir ngiir gniir ingir nigir ignir ginir ngiir gniir ringi irngi rnigi nrigi inrgi nirgi rigni irgni rgini grini igrni girni rngii nrgii rgnii grnii ngrii gnrii ingri nigri ignri ginri ngiri gniri
Note: these 'words' (valid or invalid) are all the permutations of the word iring. These words are obtained by scrambling the letters in iring.