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.

['c', 'm', 'h', 'c', '69', '233', 'j', 'g', 'r', 'x', '59', 'p', '469']
2, 3, 4, 5, 6, 9

['93', 'z', '495', 'l', '65', '233', 'h', 'm', 'f', '249', 'w', '35', '337', 'j', 'm']
2, 3, 4, 5, 6, 7, 9

['y', '449', 'g', '345', '167', 'q', 'k']

1, 3, 4, 5, 6, 7, 9