riton irton rtion trion itron tiron riotn irotn roitn oritn iortn oirtn rtoin troin rotin ortin torin otrin itorn tiorn iotrn oitrn toirn otirn ritno irtno rtino trino itrno tirno rinto irnto rnito nrito inrto nirto rtnio trnio rntio nrtio tnrio ntrio itnro tinro intro nitro tniro ntiro riont iront roint orint iornt oirnt rinot irnot rniot nriot inrot nirot ronit ornit rnoit nroit onrit norit ionrt oinrt inort niort onirt noirt rtoni troni rotni ortni torni otrni rtnoi trnoi rntoi nrtoi tnroi ntroi ronti ornti rnoti nroti onrti norti tonri otnri tnori ntori ontri notri itonr tionr iotnr oitnr toinr otinr itnor tinor intor nitor tnior ntior iontr ointr inotr niotr onitr noitr tonir otnir tnoir ntoir ontir notir
Note: these 'words' (valid or invalid) are all the permutations of the word riton. These words are obtained by scrambling the letters in riton.