In this task, you are given an input list A. You need to extract and sort the unique digits used in the list in ascending order. Return -1 if there is no digit in the list.

['345', '293', '489', '291', '497', 'r', '287', 'e', '189', '5', 'p', 'd', 'h', '451', '63']
1, 2, 3, 4, 5, 6, 7, 8, 9