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]: ['u', 'm', 'n', 'h', 'u']
[A]: -1


[Q]: ['217', '481', '87', 'w', 'q', 'c', 'j', '275', 'e', '49', '87', '25']
[A]: 1, 2, 4, 5, 7, 8, 9


[Q]: ['393', 'i', 'l']
[A]:
3, 9