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]: ['k', '413', '321', '209', 'k', '263']
[A]: 0, 1, 2, 3, 4, 6, 9


[Q]: ['353', 'k', 'j', '1', '375', 'e', 'd']
[A]: 1, 3, 5, 7


[Q]: ['447', '455']
[A]:
4, 5, 7