des châteaux de sable
de château de sable
prep n prep n
des châteaux de sable ?
d e WORD_BOUNDARY ʃ a t o WORD_BOUNDARY d ə WORD_BOUNDARY s a b l WORD_BOUNDARY
d e s WORD_BOUNDARY c h â t e a u x WORD_BOUNDARY d e WORD_BOUNDARY s a b l e WORD_BOUNDARY