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:
['f', '291', '145', 'd', 'z', '355', 'r']

Ex Output:
1, 2, 3, 4, 5, 9


Ex Input:
['473', '449', '357', 'p', 'p', 'e', '377', '77']

Ex Output:
3, 4, 5, 7, 9


Ex Input:
['p', 'y']

Ex Output:

-1


