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: ['493', '241', '239', 'g', 'q', '319', '49', '245']

A: 1, 2, 3, 4, 5, 9
****
Q: ['285', 'h', '231', 'l', 'd', 'k', '309', '345', 'k', 'p', '351', '93', 'b', 'w']

A: 0, 1, 2, 3, 4, 5, 8, 9
****
Q: ['l', '117', 'z', '381', '349', 'e', 'p', 'j', '499', 't']

A:
1, 3, 4, 7, 8, 9
****