vamos a comprar comida
vamos a comprar comida .
β a m o̞ s WORD_BOUNDARY a WORD_BOUNDARY k o̞ m p ɾ a ɾ WORD_BOUNDARY k o̞ m i d a WORD_BOUNDARY
v a m o s WORD_BOUNDARY a WORD_BOUNDARY c o m p r a r WORD_BOUNDARY c o m i d a WORD_BOUNDARY . WORD_BOUNDARY