vendrás a las once
vendrás a las once .
β e̞ n d ɾ a s WORD_BOUNDARY a WORD_BOUNDARY l a s WORD_BOUNDARY o̞ n s e̞ WORD_BOUNDARY
v e n d r á s WORD_BOUNDARY a WORD_BOUNDARY l a s WORD_BOUNDARY o n c e WORD_BOUNDARY . WORD_BOUNDARY