ba ba ba ma baba ma ba ba maba mama maba mama maba bama
ba ba ba ma baba ma ba ba maba mama maba mama maba bama .
b a WORD_BOUNDARY b a WORD_BOUNDARY b a WORD_BOUNDARY m a WORD_BOUNDARY b a b a WORD_BOUNDARY m a WORD_BOUNDARY b a WORD_BOUNDARY b a WORD_BOUNDARY m a b a WORD_BOUNDARY m a m a WORD_BOUNDARY m a b a WORD_BOUNDARY m a m a WORD_BOUNDARY m a b a WORD_BOUNDARY b a m a WORD_BOUNDARY
b a WORD_BOUNDARY b a WORD_BOUNDARY b a WORD_BOUNDARY m a WORD_BOUNDARY b a b a WORD_BOUNDARY m a WORD_BOUNDARY b a WORD_BOUNDARY b a WORD_BOUNDARY m a b a WORD_BOUNDARY m a m a WORD_BOUNDARY m a b a WORD_BOUNDARY m a m a WORD_BOUNDARY m a b a WORD_BOUNDARY b a m a WORD_BOUNDARY . WORD_BOUNDARY