en casa vuela la mariposa
en casa vuela la mariposa ?
e̞ n WORD_BOUNDARY k a s a WORD_BOUNDARY β w e̞ l a WORD_BOUNDARY l a WORD_BOUNDARY m a ɾ i p o̞ s a WORD_BOUNDARY
e n WORD_BOUNDARY c a s a WORD_BOUNDARY v u e l a WORD_BOUNDARY l a WORD_BOUNDARY m a r i p o s a WORD_BOUNDARY ? WORD_BOUNDARY