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.

['j', 'w', 'h', 'r', 'w', 'h', 'd', 'f', '81', 'g', '145']
1, 4, 5, 8

['177', '17', '205', '25', 'n', '359', 'b', 'f', '181', 'k', '169', '483', '473', 'h']
0, 1, 2, 3, 4, 5, 6, 7, 8, 9

['d', 'l', '487', '15', '403']

0, 1, 3, 4, 5, 7, 8