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.

['c', '435', 'c', 'q', 'u', '191', 'b', 'l', '217']
1, 2, 3, 4, 5, 7, 9

['t', '197', '129', 'u', 'l', 'y', '485', '57', '147', 'p', '137', 'v', '221']
1, 2, 3, 4, 5, 7, 8, 9

['w', '141', 'l', 'a', 'z', 'e', '185', '237', 'f', '237', '31', 'l', '57', '165']

1, 2, 3, 4, 5, 6, 7, 8