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: ['85', '53', '43', 'j', 'e', '443', '231', 'z', 'f', 'v', '235', '377']

A: 1, 2, 3, 4, 5, 7, 8
****
Q: ['k', 'b', 'k', 'l', '441', 'b', '115', 'd', 'b', 'r', '115', 'k', 'a']

A: 1, 4, 5
****
Q: ['477', '245', '459']

A:
2, 4, 5, 7, 9
****