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: ['429', 'a', 'g', '7', 'j', 'd', 'y', '113']

A: 1, 2, 3, 4, 7, 9
****
Q: ['d', '395', 'd', '233', '271']

A: 1, 2, 3, 5, 7, 9
****
Q: ['x', 'r', 'h', '99', '471', 'i', 'i', 'z', '153', 'b', 'n', 'y', '371', '21']

A:
1, 2, 3, 4, 5, 7, 9
****