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]: ['433', '133', '255', 'h', '59', 'm', '315', '149', 't', 'y', 'n', '59', '493', '295']
[A]: 1, 2, 3, 4, 5, 9


[Q]: ['291', '445', 'q', 't']
[A]: 1, 2, 4, 5, 9


[Q]: ['375', '145', 't', '253', '127', 's']
[A]:
1, 2, 3, 4, 5, 7