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:
['p', '305', 't', 'x', '497', '209', '151', '89', '53', '189', 'n', '129', 'c', '227', 'p']

Ex Output:
0, 1, 2, 3, 4, 5, 7, 8, 9


Ex Input:
['m', 'n', '481', 'a', '343', '19', 'l', 'l', '477', '71']

Ex Output:
1, 3, 4, 7, 8, 9


Ex Input:
['m', 'u', '333', '317', 'l', '225', '53', '455']

Ex Output:

1, 2, 3, 4, 5, 7