a casa han venido
a casa habe veni
prepart n aux part
a casa han venido ?
a WORD_BOUNDARY k a s a WORD_BOUNDARY a n WORD_BOUNDARY β e̞ n i d o̞ WORD_BOUNDARY
a WORD_BOUNDARY c a s a WORD_BOUNDARY h a n WORD_BOUNDARY v e n i d o WORD_BOUNDARY ? WORD_BOUNDARY