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]: ['v', '467', 'm', '23', '479', '49', 'k', 'u', 'l', '119']
[A]: 1, 2, 3, 4, 6, 7, 9


[Q]: ['167', '229', '439', '389', '483', '207']
[A]: 0, 1, 2, 3, 4, 6, 7, 8, 9


[Q]: ['e', '179', '239', '97', '447', '231']
[A]:
1, 2, 3, 4, 7, 9