permutation lock

16 LETTERS · STARTS WITH P

permutation lock is a valid 16-letter word worth 25 points in Scrabble and 31 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

P3E1R1M3U1T1A1T1I1O1N1L1O1C3K5

3 + 1 + 1 + 3 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 0 + 1 + 1 + 3 + 5 =25 PTS

DOUBLE WORD → 50TRIPLE WORD → 75

MEANING

What does permutation lock mean?