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: ['151', 'j', 'o', 's', 'q', 'r', '325']

A: 1, 2, 3, 5
****
Q: ['x', '281', 'n', '385', '435', 'l', 's', '445', 'n', 'n', '133']

A: 1, 2, 3, 4, 5, 8
****
Q: ['131', 'e', '325', '133', 'r', 'x', '463']

A:
1, 2, 3, 4, 5, 6
****