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: ['y', 'v', '311', 'f', '273']

A: 1, 2, 3, 7
****
Q: ['407', 'a', 'l', '307', 'a']

A: 0, 3, 4, 7
****
Q: ['397', 'x', 'e', '179', '105', '381']

A:
0, 1, 3, 5, 7, 8, 9
****