boarr obarr baorr aborr oabrr aobrr borar obrar broar rboar orbar robar baror abror braor rbaor arbor rabor oarbr aorbr orabr roabr arobr raobr boarr obarr baorr aborr oabrr aobrr borar obrar broar rboar orbar robar baror abror braor rbaor arbor rabor oarbr aorbr orabr roabr arobr raobr borra obrra brora rbora orbra robra borra obrra brora rbora orbra robra brroa rbroa brroa rbroa rrboa rrboa orrba rorba orrba rorba rroba rroba barro abrro braro rbaro arbro rabro barro abrro braro rbaro arbro rabro brrao rbrao brrao rbrao rrbao rrbao arrbo rarbo arrbo rarbo rrabo rrabo oarrb aorrb orarb roarb arorb raorb oarrb aorrb orarb roarb arorb raorb orrab rorab orrab rorab rroab rroab arrob rarob arrob rarob rraob rraob
Note: these 'words' (valid or invalid) are all the permutations of the word boarr. These words are obtained by scrambling the letters in boarr.