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]: ['223', '71']
[A]: 1, 2, 3, 7


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


[Q]: ['l', '41', '269', '273', '199', 'b', 't', '497', '217', 'i', 'y', 'j', '49']
[A]:
1, 2, 3, 4, 6, 7, 9