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: ['285', 'f', '469', 'b', '161', 'q', 'l']

A: 1, 2, 4, 5, 6, 8, 9
****
Q: ['71', '7', '341', '199', 'z', 'x', '201']

A: 0, 1, 2, 3, 4, 7, 9
****
Q: ['v', 't', 'b', '441', 's', '57']

A:
1, 4, 5, 7
****