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.

Example Input: ['u', 'r']
Example Output: -1

Example Input: ['171', 'h', '53', 'o', 'q']
Example Output: 1, 3, 5, 7

Example Input: ['r', 'e', '167', 'k', 'i']
Example Output:
1, 6, 7