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: ['243', 't', '249', 'q', '459', '469', '301', 'j', '215', '21']

A: 0, 1, 2, 3, 4, 5, 6, 9
****
Q: ['345', '393', 'v', 'l', 'b', 'd', 'k', 'q', 'x']

A: 3, 4, 5, 9
****
Q: ['f', '473', 't', 'k', 'b', 'l', '261', '495', 'i', '119']

A:
1, 2, 3, 4, 5, 6, 7, 9
****