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.

['y', 'v', '311', 'f', '273']
1, 2, 3, 7

['215', '391', '251', '177']
1, 2, 3, 5, 7, 9

['137', '27', '495', 'd', '171', 'h', 'f', 'l', 'p', '199']

1, 2, 3, 4, 5, 7, 9