a ama ama ama ama ama ama
a ama ama ama ama ama ama .
a WORD_BOUNDARY a m a WORD_BOUNDARY a m a WORD_BOUNDARY a m a WORD_BOUNDARY a m a WORD_BOUNDARY a m a WORD_BOUNDARY a m a WORD_BOUNDARY
a WORD_BOUNDARY a m a WORD_BOUNDARY a m a WORD_BOUNDARY a m a WORD_BOUNDARY a m a WORD_BOUNDARY a m a WORD_BOUNDARY a m a WORD_BOUNDARY . WORD_BOUNDARY