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.

['475', 's', '123', '389', 'y', 'm', 'v', '47', 'u', '479', '357', '279', '137', 'l', 'i']
1, 2, 3, 4, 5, 7, 8, 9

['401', 'a', '273', 'c', '117', 'x', 'b', 'h', 's', 'v']
0, 1, 2, 3, 4, 7

['o', 'e', '187', '153', 'a', '253', 'f']

1, 2, 3, 5, 7, 8