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.

['129', '373', '461', 'h', 'r', '163', '361', '483', '463', 'e', 'z', 'l']
1, 2, 3, 4, 6, 7, 8, 9

['421', '99', '115', 'x']
1, 2, 4, 5, 9

['145', 'c', '77', '147', '401', 'b', 'u', '19', 'g', '9', '1', 'd', 'b', 'z']

0, 1, 4, 5, 7, 9