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: ['217', '481', '87', 'w', 'q', 'c', 'j', '275', 'e', '49', '87', '25']

A: 1, 2, 4, 5, 7, 8, 9
****
Q: ['323', '243', '385', 'z', '345', 'v', '359', 'e', '215', '417', 'g', '445', '145', '413']

A: 1, 2, 3, 4, 5, 7, 8, 9
****
Q: ['449', '291', 'y']

A:
1, 2, 4, 9
****