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.

['u', 'h', 'z', '227', '497', '381', '101', '453', '5']
0, 1, 2, 3, 4, 5, 7, 8, 9

['117', '247', '49', '63']
1, 2, 3, 4, 6, 7, 9

['b', 'e', '225', 'n']

2, 5