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: ['i', 'f', '409', 'c', '83']

A: 0, 3, 4, 8, 9
****
Q: ['w', 'b', 'w', 'm', 'j', 'd', 'q', '47', '221', 'b', '201', 'f']

A: 0, 1, 2, 4, 7
****
Q: ['101', '473', '25', 'i', '117']

A:
0, 1, 2, 3, 4, 5, 7
****