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]: ['u', 'm', 's', '101', '427', 'h', 'i', '463', 'j', '77', '465', 'r']
[EX A]: 0, 1, 2, 3, 4, 5, 6, 7

[EX Q]: ['103', '355', '417', 'e', '359', 'c', 'w', 'q', '237', '93', '431', '59', 'l', '121']
[EX A]: 0, 1, 2, 3, 4, 5, 7, 9

[EX Q]: ['k', '85', 'f', 'g', 'i', 'b', 'p']
[EX A]:
5, 8