entraban piedras a dónde
entraban piedras a dónde ?
e̞ n t ɾ a β a n WORD_BOUNDARY p j e̞ d ɾ a s WORD_BOUNDARY a WORD_BOUNDARY d o̞ n d e̞ WORD_BOUNDARY
e n t r a b a n WORD_BOUNDARY p i e d r a s WORD_BOUNDARY a WORD_BOUNDARY d ó n d e WORD_BOUNDARY ? WORD_BOUNDARY