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]: ['285', 'f', '469', 'b', '161', 'q', 'l']
[A]: 1, 2, 4, 5, 6, 8, 9


[Q]: ['b', 'm', '471']
[A]: 1, 4, 7


[Q]: ['z', '117', 'e', 't', 'k', 'o']
[A]:
1, 7