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]: ['269', 'f', '321', '175', '15', 'n', 'b', 'z', '53', 'p', 'x', '457', 'q', 'b']
[A]: 1, 2, 3, 4, 5, 6, 7, 9


[Q]: ['c', '465', '147', 's', '113', 'd', 'c', '355']
[A]: 1, 3, 4, 5, 6, 7


[Q]: ['r', 'k', '449', 'h', '123', 'u', 'f', '71', 'm', '483', 'g', '339', '129', 'r', '283']
[A]:
1, 2, 3, 4, 7, 8, 9