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: ['487', '355', 'm', 's', '367', 'n', '203', 'x', 't', 'v', 'd', '251']
Example Output: 0, 1, 2, 3, 4, 5, 6, 7, 8

Example Input: ['v', 'w', '125', 'r', 'a', '309', '259', 'c', 'a', 'c', 'w', '273', '279']
Example Output: 0, 1, 2, 3, 5, 7, 9

Example Input: ['l', 'p']
Example Output:
-1