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]: ['233', '37', '221', 'n', 'j', 'y', '381', '175']
[A]: 1, 2, 3, 5, 7, 8


[Q]: ['k', '409', '333', '283', 'm', '489', '377', '439', '443', 'r', '101', 'n', '35']
[A]: 0, 1, 2, 3, 4, 5, 7, 8, 9


[Q]: ['o', '365', 'h', 'k', 'k', '299', '407']
[A]:
0, 2, 3, 4, 5, 6, 7, 9