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.

['y', '301', 'c', 'l', 'x', '257', 'l', '1', 'r', '127', 'f', '157', '91', '423']
0, 1, 2, 3, 4, 5, 7, 9

['127', 'd', '479', 'v', '213', 'm', 'z', '151', 'h', '455']
1, 2, 3, 4, 5, 7, 9

['7', '177', '457', 's', 'y', '181', 'p', '483', '257', 'n', 'w']

1, 2, 3, 4, 5, 7, 8