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: ['x', '281', 'n', '385', '435', 'l', 's', '445', 'n', 'n', '133']

A: 1, 2, 3, 4, 5, 8
****
Q: ['e', '325', '377', 'v', '35', 'n', '125', '195']

A: 1, 2, 3, 5, 7, 9
****
Q: ['v', '117', 's', 'd', '131', '485', '437']

A:
1, 3, 4, 5, 7, 8
****