daba besos a su mama
daba besos a su mama .
d a β a WORD_BOUNDARY β e̞ s o̞ s WORD_BOUNDARY a WORD_BOUNDARY s u WORD_BOUNDARY m a m a WORD_BOUNDARY
d a b a WORD_BOUNDARY b e s o s WORD_BOUNDARY a WORD_BOUNDARY s u WORD_BOUNDARY m a m a WORD_BOUNDARY . WORD_BOUNDARY