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

[EX Q]: ['87', '139', 'y', '129', '255', '227', '103', 'j']
[EX A]: 0, 1, 2, 3, 5, 7, 8, 9

[EX Q]: ['361', 'm', '399', 'w', '201', '65', '133', 'z', '177', 'k', 't', 'g']
[EX A]:
0, 1, 2, 3, 5, 6, 7, 9