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]: ['s', 'd']
[EX A]: -1

[EX Q]: ['a', '55', 's', '71', '271', '211']
[EX A]: 1, 2, 5, 7

[EX Q]: ['305', '109', '349', '211', 'j', '149']
[EX A]:
0, 1, 2, 3, 4, 5, 9