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: ['f', '135', 's', '269', 'x', '45', 'p', '141', 'e']

A: 1, 2, 3, 4, 5, 6, 9
****
Q: ['221', '191', 'w', 'l', 'h', 'a']

A: 1, 2, 9
****
Q: ['191', '247', 'p', 'u', 'd', '145', 'a', 'n', '117']

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