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', '101', 'g', 'c', 'z']

A: 0, 1
****
Q: ['273', 'b', '461', '419', '349', '301', '365', 'k', '319', 'o']

A: 0, 1, 2, 3, 4, 5, 6, 7, 9
****
Q: ['335', 'd', '445', '343', '131', '427', 'q', 'e', '5', 'w', '45']

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