????????
      +---------
YGMGJ | MCAAGMMW
       -YGMGJ
        =====
         WMFFM
        -AFGFW
         =====
          WYWFM
         -AFGFW
          =====
           AJWFW
          -AFGFW
           =====
           ?????

base: 8
letters: ACFGJMWY
difficulty: easy