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', 'h', '151', 'g', 'd', 'd', 'k', '37']
1, 3, 5, 7

['279', 'y', '391', '33', '281', '113', 'd', 'v']
1, 2, 3, 7, 8, 9

['m', '141', '197', 'z', '431', 'd', 'l', 'y', 'v', 'p', 'r', '449', '137']

1, 3, 4, 7, 9