bigos ibgos bgios gbios igbos gibos biogs ibogs boigs obigs iobgs oibgs bgois gbois bogis obgis gobis ogbis igobs giobs iogbs oigbs goibs ogibs bigso ibgso bgiso gbiso igbso gibso bisgo ibsgo bsigo sbigo isbgo sibgo bgsio gbsio bsgio sbgio gsbio sgbio igsbo gisbo isgbo sigbo gsibo sgibo biosg ibosg boisg obisg iobsg oibsg bisog ibsog bsiog sbiog isbog sibog bosig obsig bsoig sboig osbig sobig iosbg oisbg isobg siobg osibg soibg bgosi gbosi bogsi obgsi gobsi ogbsi bgsoi gbsoi bsgoi sbgoi gsboi sgboi bosgi obsgi bsogi sbogi osbgi sobgi gosbi ogsbi gsobi sgobi osgbi sogbi igosb giosb iogsb oigsb goisb ogisb igsob gisob isgob sigob gsiob sgiob iosgb oisgb isogb siogb osigb soigb gosib ogsib gsoib sgoib osgib sogib
Note: these 'words' (valid or invalid) are all the permutations of the word bigos. These words are obtained by scrambling the letters in bigos.