booai oboai booai oboai oobai oobai boaoi obaoi baooi abooi oaboi aoboi boaoi obaoi baooi abooi oaboi aoboi ooabi ooabi oaobi aoobi oaobi aoobi booia oboia booia oboia oobia oobia boioa obioa biooa ibooa oiboa ioboa boioa obioa biooa ibooa oiboa ioboa ooiba ooiba oioba iooba oioba iooba boaio obaio baoio aboio oabio aobio boiao obiao bioao iboao oibao iobao baioo abioo biaoo ibaoo aiboo iaboo oaibo aoibo oiabo ioabo aiobo iaobo boaio obaio baoio aboio oabio aobio boiao obiao bioao iboao oibao iobao baioo abioo biaoo ibaoo aiboo iaboo oaibo aoibo oiabo ioabo aiobo iaobo ooaib ooaib oaoib aooib oaoib aooib ooiab ooiab oioab iooab oioab iooab oaiob aoiob oiaob ioaob aioob iaoob oaiob aoiob oiaob ioaob aioob iaoob
Note: these 'words' (valid or invalid) are all the permutations of the word booai. These words are obtained by scrambling the letters in booai.