gobbi ogbbi gbobi bgobi obgbi bogbi gobbi ogbbi gbobi bgobi obgbi bogbi gbboi bgboi gbboi bgboi bbgoi bbgoi obbgi bobgi obbgi bobgi bbogi bbogi gobib ogbib gboib bgoib obgib bogib goibb ogibb giobb igobb oigbb iogbb gbiob bgiob gibob igbob bigob ibgob obigb boigb oibgb iobgb biogb ibogb gobib ogbib gboib bgoib obgib bogib goibb ogibb giobb igobb oigbb iogbb gbiob bgiob gibob igbob bigob ibgob obigb boigb oibgb iobgb biogb ibogb gbbio bgbio gbbio bgbio bbgio bbgio gbibo bgibo gibbo igbbo bigbo ibgbo gbibo bgibo gibbo igbbo bigbo ibgbo bbigo bbigo bibgo ibbgo bibgo ibbgo obbig bobig obbig bobig bboig bboig obibg boibg oibbg iobbg biobg ibobg obibg boibg oibbg iobbg biobg ibobg bbiog bbiog bibog ibbog bibog ibbog
Note: these 'words' (valid or invalid) are all the permutations of the word gobbi. These words are obtained by scrambling the letters in gobbi.