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: ['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: ['t', '493', 's', 'f', '279', 'f']

A: 2, 3, 4, 7, 9
****
Q: ['i', '153', 'i', 'r', 'n', 'p', 'v', 'k', '395', '79']

A:
1, 3, 5, 7, 9
****