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]: ['g', '169', '93', 'z', 'h', '493', 'r']
[EX A]: 1, 3, 4, 6, 9

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

[EX Q]: ['213', 'm', '87', '419', '151', '273', '87', '471', '95', '459', '379', 'f', 'l', 'g', 'i']
[EX A]:
1, 2, 3, 4, 5, 7, 8, 9