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.

['s', 't', '189', 'j', 'r']
1, 8, 9

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

['245', 'h', '9', 'u', '199', '481']

1, 2, 4, 5, 8, 9