brans rbans barns abrns rabns arbns brnas rbnas bnras nbras rnbas nrbas banrs abnrs bnars nbars anbrs nabrs ranbs arnbs rnabs nrabs anrbs narbs brasn rbasn barsn abrsn rabsn arbsn brsan rbsan bsran sbran rsban srban basrn absrn bsarn sbarn asbrn sabrn rasbn arsbn rsabn srabn asrbn sarbn brnsa rbnsa bnrsa nbrsa rnbsa nrbsa brsna rbsna bsrna sbrna rsbna srbna bnsra nbsra bsnra sbnra nsbra snbra rnsba nrsba rsnba srnba nsrba snrba bansr abnsr bnasr nbasr anbsr nabsr basnr absnr bsanr sbanr asbnr sabnr bnsar nbsar bsnar sbnar nsbar snbar ansbr nasbr asnbr sanbr nsabr snabr ransb arnsb rnasb nrasb anrsb narsb rasnb arsnb rsanb sranb asrnb sarnb rnsab nrsab rsnab srnab nsrab snrab ansrb nasrb asnrb sanrb nsarb snarb
Note: these 'words' (valid or invalid) are all the permutations of the word brans. These words are obtained by scrambling the letters in brans.