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:
['f', '253', '211', '85', 'm', 'y', 'l', 'r', 't', 'm', '193', 'p', '415', 'h', 'h']

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


Ex Input:
['h', 't', '371', 'e', '153', 'b']

Ex Output:

1, 3, 5, 7