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: ['q', '403', '293', '245', '303', '145', 'u', '385', 'c', 'p', 'r', 'y', '53']

A: 0, 1, 2, 3, 4, 5, 8, 9
****
Q: ['x', '91', 'q', '417', '385', '455', '393', 'm', 's', 'c', '91', '71', 'n']

A: 1, 3, 4, 5, 7, 8, 9
****
Q: ['297', 'i', 'z', 'y', '201', '279', 'c']

A:
0, 1, 2, 7, 9
****