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: ['k', '107', '333', '317', 'm', 'w', 'g', 'f']

A: 0, 1, 3, 7
****
Q: ['175', 'q', 'h', 'z', 'v', 'y', '39', '419', '87', '425', 'z', '375']

A: 1, 2, 3, 4, 5, 7, 8, 9
****
Q: ['389', '43', '53']

A:
3, 4, 5, 8, 9
****
