inurn niurn iunrn uinrn nuirn unirn inrun nirun irnun rinun nriun rniun iurnn uirnn irunn riunn urinn ruinn nurin unrin nruin rnuin urnin runin inunr niunr iunnr uinnr nuinr uninr innur ninur innur ninur nniur nniur iunnr uinnr inunr niunr uninr nuinr nunir unnir nnuir nnuir unnir nunir inrnu nirnu irnnu rinnu nrinu rninu innru ninru innru ninru nniru nniru irnnu rinnu inrnu nirnu rninu nrinu nrniu rnniu nnriu nnriu rnniu nrniu iurnn uirnn irunn riunn urinn ruinn iunrn uinrn inurn niurn unirn nuirn irnun rinun inrun nirun rniun nriun urnin runin unrin nurin rnuin nruin nurni unrni nruni rnuni urnni runni nunri unnri nnuri nnuri unnri nunri nrnui rnnui nnrui nnrui rnnui nrnui urnni runni unrni nurni rnuni nruni
Note: these 'words' (valid or invalid) are all the permutations of the word inurn. These words are obtained by scrambling the letters in inurn.