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.

Ex Input:
['l', 'z', '453', '361', 'p', 'c', 'n', '77', '113', '261', 'g']

Ex Output:
1, 2, 3, 4, 5, 6, 7


Ex Input:
['149', 'o', '237', 't', 'k', 'w']

Ex Output:
1, 2, 3, 4, 7, 9


Ex Input:
['127', '369', 'p', '437', '493', 'p']

Ex Output:

1, 2, 3, 4, 6, 7, 9