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', 'l', '43', 'b', 'g', '265', '355', 'y']

A: 2, 3, 4, 5, 6
****
Q: ['q', 'u', '199', 'v', '249']

A: 1, 2, 4, 9
****
Q: ['349', 'x', 'z', 't', 'h', 'w', '263', '491', '419', '25', 's', '449']

A:
1, 2, 3, 4, 5, 6, 9
****