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: ['363', 'u', '179', 'e', '279', 'a', '151', '173', 'e', '61', '213']

A: 1, 2, 3, 5, 6, 7, 9
****
Q: ['401', 'a', '273', 'c', '117', 'x', 'b', 'h', 's', 'v']

A: 0, 1, 2, 3, 4, 7
****
Q: ['s', '147', 's']

A:
1, 4, 7
****