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.

[EX Q]: ['f', 'c', '381', '149', '67', '67', '197', 'i', '289', '491', 'c', 'b']
[EX A]: 1, 2, 3, 4, 6, 7, 8, 9

[EX Q]: ['333', '207', '13', '339', 'n', '387']
[EX A]: 0, 1, 2, 3, 7, 8, 9

[EX Q]: ['n', 'z', '349', 'x', '227', 'v', '363', 'n', 'x']
[EX A]:
2, 3, 4, 6, 7, 9