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: ['85', '311', 'x', '97', 'b', '277', 's', 'a', 'v', 'o', 'a']

A: 1, 2, 3, 5, 7, 8, 9
****
Q: ['x', '91', 'q', '417', '385', '455', '393', 'm', 's', 'c', '91', '71', 'n']

A: 1, 3, 4, 5, 7, 8, 9
****
Q: ['y', 'v', '231', 'i', 'p', 'w', 't']

A:
1, 2, 3
****