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: ['t', '493', 's', 'f', '279', 'f']
Example Output: 2, 3, 4, 7, 9

Example Input: ['233', '339', '319']
Example Output: 1, 2, 3, 9

Example Input: ['a', '467', 'g', 'n', 'q', '67', '331', 'f']
Example Output:
1, 3, 4, 6, 7