boaks obaks baoks aboks oabks aobks bokas obkas bkoas kboas okbas kobas bakos abkos bkaos kbaos akbos kabos oakbs aokbs okabs koabs akobs kaobs boask obask baosk abosk oabsk aobsk bosak obsak bsoak sboak osbak sobak basok absok bsaok sbaok asbok sabok oasbk aosbk osabk soabk asobk saobk boksa obksa bkosa kbosa okbsa kobsa boska obska bsoka sboka osbka sobka bksoa kbsoa bskoa sbkoa ksboa skboa oksba kosba oskba sokba ksoba skoba bakso abkso bkaso kbaso akbso kabso basko absko bsako sbako asbko sabko bksao kbsao bskao sbkao ksbao skbao aksbo kasbo askbo sakbo ksabo skabo oaksb aoksb okasb koasb akosb kaosb oaskb aoskb osakb soakb asokb saokb oksab kosab oskab sokab ksoab skoab aksob kasob askob sakob ksaob skaob
Note: these 'words' (valid or invalid) are all the permutations of the word boaks. These words are obtained by scrambling the letters in boaks.