booay oboay booay oboay oobay oobay boaoy obaoy baooy abooy oaboy aoboy boaoy obaoy baooy abooy oaboy aoboy ooaby ooaby oaoby aooby oaoby aooby booya oboya booya oboya oobya oobya boyoa obyoa byooa ybooa oyboa yoboa boyoa obyoa byooa ybooa oyboa yoboa ooyba ooyba oyoba yooba oyoba yooba boayo obayo baoyo aboyo oabyo aobyo boyao obyao byoao yboao oybao yobao bayoo abyoo byaoo ybaoo ayboo yaboo oaybo aoybo oyabo yoabo ayobo yaobo boayo obayo baoyo aboyo oabyo aobyo boyao obyao byoao yboao oybao yobao bayoo abyoo byaoo ybaoo ayboo yaboo oaybo aoybo oyabo yoabo ayobo yaobo ooayb ooayb oaoyb aooyb oaoyb aooyb ooyab ooyab oyoab yooab oyoab yooab oayob aoyob oyaob yoaob ayoob yaoob oayob aoyob oyaob yoaob ayoob yaoob
Note: these 'words' (valid or invalid) are all the permutations of the word booay. These words are obtained by scrambling the letters in booay.