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: ['269', 'a', 'x', '395', '477', 'e', 'd', 'o', '129', 'j', '93', '237', '417', 'f']

A: 1, 2, 3, 4, 5, 6, 7, 9
****
Q: ['s', '443', '239', 't', '99']

A: 2, 3, 4, 9
****
Q: ['c', '95', 'w', '395', '129', '201', 'o', 'x', 'g', 'p', 'l', 's', 'q', 'l', '115']

A:
0, 1, 2, 3, 5, 9
****