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: ['s', '45']

A: 4, 5
****
Q: ['r', 'u', '83', 'x', '155', '89', 'c', '391', '41', 'o', 'i', '161']

A: 1, 3, 4, 5, 6, 8, 9
****
Q: ['155', 'i', 'o', 'n', 't', '207', '11', '453', 'y', '49', 'k', 'l']

A:
0, 1, 2, 3, 4, 5, 7, 9
****