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]: ['167', 'o', '23', 'y', 'q', '407', 'q', '325', '43', '83', '401', 'l', '191']
[EX A]: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9

[EX Q]: ['z', '273', '447', 'h']
[EX A]: 2, 3, 4, 7

[EX Q]: ['67', 'l', 'z', 'c', 'v', '231', 'v', 't', 'a', 'p', 'p', '167']
[EX A]:
1, 2, 3, 6, 7