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:
['e', 's', '153', 'e', '377', 'c', 'v', '437']

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


Ex Input:
['149', 'o', '237', 't', 'k', 'w']

Ex Output:
1, 2, 3, 4, 7, 9


Ex Input:
['m', '129', 'g', '147', 'y', 'f', '263', 'x']

Ex Output:

1, 2, 3, 4, 6, 7, 9