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]: ['227', '161', '389', 'g', 'g', 'i', 'm', '199', '487', '65', '341', '377', 'x', 'r']
[A]: 1, 2, 3, 4, 5, 6, 7, 8, 9


[Q]: ['279', 't', 'e', 'j', '437', '167', 's', 'n']
[A]: 1, 2, 3, 4, 6, 7, 9


[Q]: ['o', '57', '489', '163', 'l', '491', '167', 'w']
[A]:
1, 3, 4, 5, 6, 7, 8, 9