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: ['h', 't', 'h', 'i', 'c', '441', '117', '463', 'r']

A: 1, 3, 4, 6, 7
****
Q: ['l', '201', 's', 'y', 'b', '395', '19']

A: 0, 1, 2, 3, 5, 9
****
Q: ['375', '189', 'u', 'y']

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