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: ['261', '227', 'f', 'w', '141', 'k', '119', '407', '409', '373']

A: 0, 1, 2, 3, 4, 6, 7, 9
****
Q: ['w', '19', '61', 'j', 'o', 's', 'q', '391', '281', '491', '287']

A: 1, 2, 3, 4, 6, 7, 8, 9
****
Q: ['o', '247', 'k', 'd', 'e', 'x', '209', 'j', 'm', 'z', '75']

A:
0, 2, 4, 5, 7, 9
****