nbgix bngix ngbix gnbix bgnix gbnix nbigx bnigx nibgx inbgx bingx ibngx ngibx gnibx nigbx ingbx ginbx ignbx bginx gbinx bignx ibgnx gibnx igbnx nbgxi bngxi ngbxi gnbxi bgnxi gbnxi nbxgi bnxgi nxbgi xnbgi bxngi xbngi ngxbi gnxbi nxgbi xngbi gxnbi xgnbi bgxni gbxni bxgni xbgni gxbni xgbni nbixg bnixg nibxg inbxg binxg ibnxg nbxig bnxig nxbig xnbig bxnig xbnig nixbg inxbg nxibg xnibg ixnbg xinbg bixng ibxng bxing xbing ixbng xibng ngixb gnixb nigxb ingxb ginxb ignxb ngxib gnxib nxgib xngib gxnib xgnib nixgb inxgb nxigb xnigb ixngb xingb gixnb igxnb gxinb xginb ixgnb xignb bgixn gbixn bigxn ibgxn gibxn igbxn bgxin gbxin bxgin xbgin gxbin xgbin bixgn ibxgn bxign xbign ixbgn xibgn gixbn igxbn gxibn xgibn ixgbn xigbn
Note: these 'words' (valid or invalid) are all the permutations of the word nbgix. These words are obtained by scrambling the letters in nbgix.