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.

[Q]: ['499', '493', 'i', '87']
[A]: 3, 4, 7, 8, 9


[Q]: ['o', 'k', 'i']
[A]: -1


[Q]: ['333', 'j', '375', '405', '17', 'x', 's', '197', '231', 'l']
[A]:
0, 1, 2, 3, 4, 5, 7, 9


