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: ['91', '291', '379', 'k', 'a', 't', 'i', '355', 'l', '335', '119', '343']

A: 1, 2, 3, 4, 5, 7, 9
****
Q: ['p', '121', '55', '205', 'n', '393', 'l', 's', 'k', 'c', 'n']

A: 0, 1, 2, 3, 5, 9
****
Q: ['349', 'n', 'x', 'e', '451', '291']

A:
1, 2, 3, 4, 5, 9
****