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.

['395', 'p', '373']
3, 5, 7, 9

['385', 'b', 'c']
3, 5, 8

['331', '93', 'q', 'p', '41', '255']

1, 2, 3, 4, 5, 9