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: ['v', '467', 'm', '23', '479', '49', 'k', 'u', 'l', '119']

A: 1, 2, 3, 4, 6, 7, 9
****
Q: ['265', 'x', '109', '319', 's', 'w', '211']

A: 0, 1, 2, 3, 5, 6, 9
****
Q: ['f', '19', '49', '337', 's']

A:
1, 3, 4, 7, 9
****