bring rbing birng ibrng ribng irbng brnig rbnig bnrig nbrig rnbig nrbig binrg ibnrg bnirg nbirg inbrg nibrg rinbg irnbg rnibg nribg inrbg nirbg brign rbign birgn ibrgn ribgn irbgn brgin rbgin bgrin gbrin rgbin grbin bigrn ibgrn bgirn gbirn igbrn gibrn rigbn irgbn rgibn gribn igrbn girbn brngi rbngi bnrgi nbrgi rnbgi nrbgi brgni rbgni bgrni gbrni rgbni grbni bngri nbgri bgnri gbnri ngbri gnbri rngbi nrgbi rgnbi grnbi ngrbi gnrbi bingr ibngr bnigr nbigr inbgr nibgr bignr ibgnr bginr gbinr igbnr gibnr bngir nbgir bgnir gbnir ngbir gnbir ingbr nigbr ignbr ginbr ngibr gnibr ringb irngb rnigb nrigb inrgb nirgb rignb irgnb rginb grinb igrnb girnb rngib nrgib rgnib grnib ngrib gnrib ingrb nigrb ignrb ginrb ngirb gnirb
Note: these 'words' (valid or invalid) are all the permutations of the word bring. These words are obtained by scrambling the letters in bring.