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: ['t', 'u', 'e', 'a', '369', 'e', 'r', 'm']

A: 3, 6, 9
****
Q: ['119', '329', 'w']

A: 1, 2, 3, 9
****
Q: ['v', '467', '233', 'p']

A:
2, 3, 4, 6, 7
****