oasts aosts osats soats asots saots oatss aotss otass toass atoss taoss ostas sotas otsas tosas stoas tsoas astos satos atsos tasos staos tsaos oasst aosst osast soast asost saost oasst aosst osast soast asost saost ossat sosat ossat sosat ssoat ssoat assot sasot assot sasot ssaot ssaot oatss aotss otass toass atoss taoss oasts aosts osats soats asots saots otsas tosas ostas sotas tsoas stoas atsos tasos astos satos tsaos staos ostsa sotsa otssa tossa stosa tsosa ossta sosta ossta sosta ssota ssota otssa tossa ostsa sotsa tsosa stosa stsoa tssoa sstoa sstoa tssoa stsoa astso satso atsso tasso staso tsaso assto sasto assto sasto ssato ssato atsso tasso astso satso tsaso staso stsao tssao sstao sstao tssao stsao
Note: these 'words' (valid or invalid) are all the permutations of the word oasts. These words are obtained by scrambling the letters in oasts.