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: ['149', '129', 'k']

A: 1, 2, 4, 9
****
Q: ['325', '269', '199', '177', 'n', '319', '385', '227', 'o', '393', 'y', 'g', 'f', '347', '109']

A: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9
****
Q: ['s', 'u', 'z', 'u', 'y', '5', '203', '251', '115']

A:
0, 1, 2, 3, 5
****