cabin acbin cbain bcain abcin bacin caibn acibn ciabn icabn aicbn iacbn cbian bcian ciban icban bican ibcan abicn baicn aibcn iabcn biacn ibacn cabni acbni cbani bcani abcni bacni canbi acnbi cnabi ncabi ancbi nacbi cbnai bcnai cnbai ncbai bncai nbcai abnci banci anbci nabci bnaci nbaci cainb acinb cianb icanb aicnb iacnb canib acnib cnaib ncaib ancib nacib cinab icnab cniab nciab incab nicab aincb iancb anicb naicb inacb niacb cbina bcina cibna icbna bicna ibcna cbnia bcnia cnbia ncbia bncia nbcia cinba icnba cniba nciba incba nicba binca ibnca bnica nbica inbca nibca abinc bainc aibnc iabnc bianc ibanc abnic banic anbic nabic bnaic nbaic ainbc ianbc anibc naibc inabc niabc binac ibnac bniac nbiac inbac nibac
Note: these 'words' (valid or invalid) are all the permutations of the word cabin. These words are obtained by scrambling the letters in cabin.