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:
['455', '447', 'x', '479', 'b', '267', '339', '29', '267']

Ex Output:
2, 3, 4, 5, 6, 7, 9


Ex Input:
['227', '161', '389', 'g', 'g', 'i', 'm', '199', '487', '65', '341', '377', 'x', 'r']

Ex Output:
1, 2, 3, 4, 5, 6, 7, 8, 9


Ex Input:
['255', '19', '335', '483', 'r', 'c', 'r', 'o', '189', '71', '379', 'l', 'b']

Ex Output:

1, 2, 3, 4, 5, 7, 8, 9