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]: ['101', 'o', 'j', 'q', '283', '229', '271', 'r', 'n', '481', '101', '477', 'w']
[EX A]: 0, 1, 2, 3, 4, 7, 8, 9

[EX Q]: ['u', '73', 'x', 'f', 'e', '187', 'x', 'i', '215', '1', 'z', '129', '89', 'f', 'i']
[EX A]: 1, 2, 3, 5, 7, 8, 9

[EX Q]: ['g', '205', '353', 'g', 'a', 'o', 'n', '255', 'g', '195', '461', '489', '243', '187']
[EX A]:
0, 1, 2, 3, 4, 5, 6, 7, 8, 9