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]: ['t', 'p', 'j', 'x', 'k', '295', '221', '261', '221', 'b', '431', '427']
[A]: 1, 2, 3, 4, 5, 6, 7, 9


[Q]: ['325', '269', '199', '177', 'n', '319', '385', '227', 'o', '393', 'y', 'g', 'f', '347', '109']
[A]: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9


[Q]: ['229', 'b', '191', 'e', '135', '319', 'k', '387', '267', '283', 'c', 'k', 'p', '333']
[A]:
1, 2, 3, 5, 6, 7, 8, 9