bosks obsks bsoks sboks osbks sobks bokss obkss bkoss kboss okbss kobss bskos sbkos bksos kbsos skbos ksbos oskbs sokbs oksbs kosbs skobs ksobs bossk obssk bsosk sbosk osbsk sobsk bossk obssk bsosk sbosk osbsk sobsk bssok sbsok bssok sbsok ssbok ssbok ossbk sosbk ossbk sosbk ssobk ssobk bokss obkss bkoss kboss okbss kobss bosks obsks bsoks sboks osbks sobks bksos kbsos bskos sbkos ksbos skbos oksbs kosbs oskbs sokbs ksobs skobs bskso sbkso bksso kbsso skbso ksbso bssko sbsko bssko sbsko ssbko ssbko bksso kbsso bskso sbkso ksbso skbso sksbo kssbo sskbo sskbo kssbo sksbo osksb soksb okssb kossb skosb ksosb osskb soskb osskb soskb ssokb ssokb okssb kossb osksb soksb ksosb skosb sksob kssob sskob sskob kssob sksob
Note: these 'words' (valid or invalid) are all the permutations of the word bosks. These words are obtained by scrambling the letters in bosks.