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:
['305', '447', '125', 'c', '469', '231', 'c', '33', 'r', '69', 'p', 'b', '143']

Ex Output:
0, 1, 2, 3, 4, 5, 6, 7, 9


Ex Input:
['s', '45']

Ex Output:
4, 5


Ex Input:
['269', 'f', '321', '175', '15', 'n', 'b', 'z', '53', 'p', 'x', '457', 'q', 'b']

Ex Output:

1, 2, 3, 4, 5, 6, 7, 9