rosin orsin rsoin sroin osrin sorin roisn orisn riosn irosn oirsn iorsn rsion srion rison irson siron isron osirn soirn oisrn iosrn siorn isorn rosni orsni rsoni sroni osrni sorni ronsi ornsi rnosi nrosi onrsi norsi rsnoi srnoi rnsoi nrsoi snroi nsroi osnri sonri onsri nosri snori nsori roins orins rions irons oirns iorns ronis ornis rnois nrois onris noris rinos irnos rnios nrios inros niros oinrs ionrs onirs noirs inors niors rsino srino risno irsno sirno isrno rsnio srnio rnsio nrsio snrio nsrio rinso irnso rniso nriso inrso nirso sinro isnro sniro nsiro insro nisro osinr soinr oisnr iosnr sionr isonr osnir sonir onsir nosir snoir nsoir oinsr ionsr onisr noisr inosr niosr sinor isnor snior nsior insor nisor
Note: these 'words' (valid or invalid) are all the permutations of the word rosin. These words are obtained by scrambling the letters in rosin.