roton orton rtoon troon otron toron rootn orotn rootn orotn oortn oortn rtoon troon roton orton toron otron otorn toorn ootrn ootrn toorn otorn rotno ortno rtono trono otrno torno ronto ornto rnoto nroto onrto norto rtnoo trnoo rntoo nrtoo tnroo ntroo otnro tonro ontro notro tnoro ntoro roont oront roont oront oornt oornt ronot ornot rnoot nroot onrot norot ronot ornot rnoot nroot onrot norot oonrt oonrt onort noort onort noort rtono trono rotno ortno torno otrno rtnoo trnoo rntoo nrtoo tnroo ntroo ronto ornto rnoto nroto onrto norto tonro otnro tnoro ntoro ontro notro otonr toonr ootnr ootnr toonr otonr otnor tonor ontor notor tnoor ntoor oontr oontr onotr nootr onotr nootr tonor otnor tnoor ntoor ontor notor
Note: these 'words' (valid or invalid) are all the permutations of the word roton. These words are obtained by scrambling the letters in roton.