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]: ['c', '317', 'z', 'z', 'h', '227', '439', 'x', 'f']
[A]: 1, 2, 3, 4, 7, 9


[Q]: ['459', 'd', '473', 'i', 'l', 's']
[A]: 3, 4, 5, 7, 9


[Q]: ['229', 's', 'a', 'n', '217', 'j', 'd', '405', '253', '55', 'z', '477']
[A]:
0, 1, 2, 3, 4, 5, 7, 9