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]: ['y', 'm', '121', 'h', 'm', '189', '117', '257', 'y', '181', '279', 'a', '453']
[EX A]: 1, 2, 3, 4, 5, 7, 8, 9

[EX Q]: ['w', '203', 'd', '133', 'i', 'j', 'd', 'u', 'u', 's', 'f', 'f', '221', '341', '299']
[EX A]: 0, 1, 2, 3, 4, 9

[EX Q]: ['q', 't', '367', '351', 'v', '147', 'w', '401', 'a', '53', 't', '341', 'e', 'k']
[EX A]:
0, 1, 3, 4, 5, 6, 7