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:
['k', 'a', '437', '461', 'b', '341', '175']

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


Ex Input:
['363', 'w', '151', 'd']

Ex Output:
1, 3, 5, 6


Ex Input:
['a', '43', '431', '55', 'g', '487', 'j', 'u', 'k', 'j', 't', '385', '385']

Ex Output:

1, 3, 4, 5, 7, 8