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: ['a', '491', '477', '193', 'b', 'l', 'c']
Example Output: 1, 3, 4, 7, 9

Example Input: ['w', '203', 'd', '133', 'i', 'j', 'd', 'u', 'u', 's', 'f', 'f', '221', '341', '299']
Example Output: 0, 1, 2, 3, 4, 9

Example Input: ['279', '395']
Example Output:
2, 3, 5, 7, 9