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: ['265', 'x', '109', '319', 's', 'w', '211']

A: 0, 1, 2, 3, 5, 6, 9
****
Q: ['i', '465', 't', '273', '229', '401', '281', '251']

A:
0, 1, 2, 3, 4, 5, 6, 7, 8, 9
****