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:
['247', 's', 'y', 'c', '421']

Ex Output:
1, 2, 4, 7


Ex Input:
['a', 'n', '423', 'y', 'y', 'u', '55', 'y', '295', '73', 't', 'p']

Ex Output:
2, 3, 4, 5, 7, 9


Ex Input:
['243', 't', '249', 'q', '459', '469', '301', 'j', '215', '21']

Ex Output:

0, 1, 2, 3, 4, 5, 6, 9