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.

['a', '55', 's', '71', '271', '211']
1, 2, 5, 7

['1', 'm']
1

['93', 'z', '35', 'h', 'n', 'n', '321', 'a', '283', 'y', 'w', '459', 'p', 'a', 'w']

1, 2, 3, 4, 5, 8, 9