permutation

/ˌpərmjuˈteɪʃən/
noun
  1. One of the possible ways in which a set of things can be arranged or ordered.
    • The chef tried different permutations of ingredients to create the perfect sauce.
    • There are six permutations of the letters A, B, and C.
    • In chess, each game is a unique permutation of moves.
  2. A change or variation in the form or arrangement of something.
    • The new policy is just another permutation of the old rules.
    • Modern art explores endless permutations of color and shape.
    • Each season brings a new permutation of fashion trends.