rhine hrine rihne irhne hirne ihrne rhnie hrnie rnhie nrhie hnrie nhrie rinhe irnhe rnihe nrihe inrhe nirhe hinre ihnre hnire nhire inhre nihre rhien hrien rihen irhen hiren ihren rhein hrein rehin erhin herin ehrin riehn irehn reihn erihn ierhn eirhn hiern ihern heirn ehirn iehrn eihrn rhnei hrnei rnhei nrhei hnrei nhrei rheni hreni rehni erhni herni ehrni rnehi nrehi renhi ernhi nerhi enrhi hneri nheri henri ehnri nehri enhri rineh irneh rnieh nrieh inreh nireh rienh irenh reinh erinh iernh eirnh rneih nreih renih ernih nerih enrih inerh nierh ienrh einrh neirh enirh hiner ihner hnier nhier inher niher hienr ihenr heinr ehinr iehnr eihnr hneir nheir henir ehnir nehir enhir inehr niehr ienhr einhr neihr enihr
Note: these 'words' (valid or invalid) are all the permutations of the word rhine. These words are obtained by scrambling the letters in rhine.