de qué son las huellas
de qué son las huellas ?
d e̞ WORD_BOUNDARY k e̞ WORD_BOUNDARY s o̞ n WORD_BOUNDARY l a s WORD_BOUNDARY u e̞ ʝ a s WORD_BOUNDARY
d e WORD_BOUNDARY q u é WORD_BOUNDARY s o n WORD_BOUNDARY l a s WORD_BOUNDARY h u e l l a s WORD_BOUNDARY ? WORD_BOUNDARY