a dónde van a comprar
a dónde van a comprar ?
a WORD_BOUNDARY d o̞ n d e̞ WORD_BOUNDARY β a n WORD_BOUNDARY a WORD_BOUNDARY k o̞ m p ɾ a ɾ WORD_BOUNDARY
a WORD_BOUNDARY d ó n d e WORD_BOUNDARY v a n WORD_BOUNDARY a WORD_BOUNDARY c o m p r a r WORD_BOUNDARY ? WORD_BOUNDARY