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.

Q: ['285', 'h', '231', 'l', 'd', 'k', '309', '345', 'k', 'p', '351', '93', 'b', 'w']

A: 0, 1, 2, 3, 4, 5, 8, 9
****
Q: ['381', 'l', 'z', '323', 'x', '247', '11']

A: 1, 2, 3, 4, 7, 8
****
Q: ['37', '439', '259', '445']

A:
2, 3, 4, 5, 7, 9
****