brane rbane barne abrne rabne arbne brnae rbnae bnrae nbrae rnbae nrbae banre abnre bnare nbare anbre nabre ranbe arnbe rnabe nrabe anrbe narbe braen rbaen baren abren raben arben brean rbean beran ebran reban erban baern abern bearn ebarn aebrn eabrn raebn arebn reabn erabn aerbn earbn brnea rbnea bnrea nbrea rnbea nrbea brena rbena berna ebrna rebna erbna bnera nbera benra ebnra nebra enbra rneba nreba renba ernba nerba enrba baner abner bnaer nbaer anber naber baenr abenr beanr ebanr aebnr eabnr bnear nbear benar ebnar nebar enbar anebr naebr aenbr eanbr neabr enabr raneb arneb rnaeb nraeb anreb nareb raenb arenb reanb eranb aernb earnb rneab nreab renab ernab nerab enrab anerb naerb aenrb eanrb nearb enarb
Note: these 'words' (valid or invalid) are all the permutations of the word brane. These words are obtained by scrambling the letters in brane.