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

['u', '419', 'u', 'h', 'k', 'w', 'a', '289', 'd', 'v', 'u', '117', '327', '85', '441']
1, 2, 3, 4, 5, 7, 8, 9

['h', 's', 'h', '257', 'c', '495', '67', '59', '147', 'd', '167', '223', 'd']

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