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]: ['43', 'n', 's', '453', 'c', '205']
[EX A]: 0, 2, 3, 4, 5

[EX Q]: ['m', 'n', '481', 'a', '343', '19', 'l', 'l', '477', '71']
[EX A]: 1, 3, 4, 7, 8, 9

[EX Q]: ['c', '165', 'f', 'r', 'x', '321', '409', 'd', 'n', '247', 'f', '265']
[EX A]:
0, 1, 2, 3, 4, 5, 6, 7, 9