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]: ['143', 'i', '499', 't', '27']
[A]: 1, 2, 3, 4, 7, 9


[Q]: ['z', 't', 'm', '295', '459', 'r', 'k', '149', '263', '5', '57', '455']
[A]: 1, 2, 3, 4, 5, 6, 7, 9


[Q]: ['k', 'w', '181', 'w', 'j', 'r', 'n', 'h', 'r', '127', 'l']
[A]:
1, 2, 7, 8