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: ['7', 'u', 's', '75', 't', 'o']
Example Output: 5, 7

Example Input: ['173', 'r', 'a', 'n', 'h', 'o', 'w', '135', '321', '59', 'r', '295', 'r']
Example Output: 1, 2, 3, 5, 7, 9

Example Input: ['339', '445', 's', 'b', 'n', '109']
Example Output:
0, 1, 3, 4, 5, 9