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:
['293', '473', '79', 'j', '455', '285', 'k', 'd', '379', '249', '73', '229']

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


Ex Input:
['g', 'j', '239', 'w', 'q', 'm', 'a', 'l', 'n', 'p', 'i', 'r']

Ex Output:
2, 3, 9


Ex Input:
['r', 'k', '327', 'a', 'j', 'k', 't', 'f', 'j', 'z', '339', 'q', '81', '333', '139']

Ex Output:

1, 2, 3, 7, 8, 9