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]: ['x', 'a', '381', 'k', 'n', 'm', '267', 'r', '193', 'f', 'h', 'r', '327', 'i', 'h']
[EX A]: 1, 2, 3, 6, 7, 8, 9

[EX Q]: ['v', 'j', 'l', 'f', 'n', '185', 'x', '367']
[EX A]: 1, 3, 5, 6, 7, 8

[EX Q]: ['s', '255', '203', '449', '277', '17', 'r', '111', '415', 'd', 'g']
[EX A]:
0, 1, 2, 3, 4, 5, 7, 9