Please deduce the correct password based on the following 6 known conditions:
A certain combination lock consists of two numbers and two letters, with neither the numbers nor the letters repeating.
1. Guess: 47LE, Feedback: both numbers are incorrect and too large; both letters are incorrect.
2. Guess: 10FX, Feedback: one number is correct but in the wrong position; one number is incorrect and incorrect; both letters are incorrect.
3. Guess: 50ZK, Feedback: one number is correct but in the wrong position; one number is incorrect and too large; both letters are incorrect.
4. Guess: 48IM, Feedback: both numbers are incorrect and too large; both letters are correct but in the wrong positions.
5. Guess: 86NM, Feedback: both numbers are incorrect and too large; one letter is correct but in the wrong position; one letter is incorrect and too late in the alphabet.
6. Guess: 39KL, Feedback: one number is correct but in the wrong position; one number is incorrect and too large; both letters are incorrect.
Please provide your answer in the format <<< ["X", "Y", "Z", "W"] >>> where X and Y are the numbers and Z and W are the letters of the password.
