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: ['213', '321', 'z']

A: 1, 2, 3
****
Q: ['405', 'x', '163', 'z', 'z', '261', 'o']

A: 0, 1, 2, 3, 4, 5, 6
****
Q: ['309', 'w', '491', 'p', '451', '271', '205', '439', '111', 'l', 'z']

A:
0, 1, 2, 3, 4, 5, 7, 9
****