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