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: ['353', '231', 'w', 't', 'j', 'r', 'm', '455', 'i', '281', '215']

A: 1, 2, 3, 4, 5, 8
****
Q: ['489', 'y', 's', 'x', '203', 't', 'y', '461', 'v', 'k', '371', 'e']

A: 0, 1, 2, 3, 4, 6, 7, 8, 9
****
Q: ['e', 'j', 'i', 'y', 'j', '155']

A:
1, 5
****