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.

['i', 'b', 'w', '409', 'f', '67', 's', '21', 'y', 'c', '401', 'f', 'k', '319']
0, 1, 2, 3, 4, 6, 7, 9

['359', '233', '455', '449', 'h']
2, 3, 4, 5, 9

['z', 'p', '437', '17', '445', 'f', 'y', 'r', 'o', 'h', 'l', 'v', '417', 'k']

1, 3, 4, 5, 7

