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: ['a', '399', 's', 'e', '495', 'd', 'f', 'a', '323']

A: 2, 3, 4, 5, 9
****
Q: ['483', 'e', '57', 'a', '101', 'f', 'z', 'q', '115', 'x', '3', '305', '435', '45']

A: 0, 1, 3, 4, 5, 7, 8
****
Q: ['399', 'h', 't', 'l', '497', 'd', 'z', '27', 's', '203']

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