contraction rule

16 LETTERS · STARTS WITH C

contraction rule is a valid 16-letter word worth 19 points in Scrabble and 25 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

C3O1N1T1R1A1C3T1I1O1N1R1U1L1E1

3 + 1 + 1 + 1 + 1 + 1 + 3 + 1 + 1 + 1 + 1 + 0 + 1 + 1 + 1 + 1 =19 PTS

DOUBLE WORD → 38TRIPLE WORD → 57

MEANING

What does contraction rule mean?