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]: ['293', '473', '79', 'j', '455', '285', 'k', 'd', '379', '249', '73', '229']
[A]: 2, 3, 4, 5, 7, 8, 9


[Q]: ['117', '247', '49', '63']
[A]: 1, 2, 3, 4, 6, 7, 9


[Q]: ['l', '283', '171', 'q', '465', 'u', '325', 'd', 'j', '349', '351', '229', 'z']
[A]:
1, 2, 3, 4, 5, 6, 7, 8, 9