bokbs obkbs bkobs kbobs okbbs kobbs bobks obbks bboks bboks obbks bobks bkbos kbbos bbkos bbkos kbbos bkbos okbbs kobbs obkbs bokbs kbobs bkobs boksb obksb bkosb kbosb okbsb kobsb boskb obskb bsokb sbokb osbkb sobkb bksob kbsob bskob sbkob ksbob skbob oksbb kosbb oskbb sokbb ksobb skobb bobsk obbsk bbosk bbosk obbsk bobsk bosbk obsbk bsobk sbobk osbbk sobbk bbsok bbsok bsbok sbbok bsbok sbbok obsbk bosbk osbbk sobbk bsobk sbobk bkbso kbbso bbkso bbkso kbbso bkbso bksbo kbsbo bskbo sbkbo ksbbo skbbo bbsko bbsko bsbko sbbko bsbko sbbko kbsbo bksbo ksbbo skbbo bskbo sbkbo okbsb kobsb obksb boksb kbosb bkosb oksbb kosbb oskbb sokbb ksobb skobb obskb boskb osbkb sobkb bsokb sbokb kbsob bksob ksbob skbob bskob sbkob
Note: these 'words' (valid or invalid) are all the permutations of the word bokbs. These words are obtained by scrambling the letters in bokbs.