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]: ['353', '195', '297', '175', 'u', 'p', 'r', 'l']
[A]: 1, 2, 3, 5, 7, 9


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


[Q]: ['z', '487', '91', 'n', 'h']
[A]:
1, 4, 7, 8, 9