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