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: ['h', '475', 'x', '53', '461', 'c']
Example Output: 1, 3, 4, 5, 6, 7

Example Input: ['f', '253', '211', '85', 'm', 'y', 'l', 'r', 't', 'm', '193', 'p', '415', 'h', 'h']
Example Output: 1, 2, 3, 4, 5, 8, 9

Example Input: ['447', '439']
Example Output:
3, 4, 7, 9