????????
      +---------
NNNPH | MLGLQJPL
       -NNNPH
        =====
        TNLRJJ
       -TWWWMX
        ======
         JWTNMP
        -QPPMNT
         ======
          FQPFJL
         -FFFRQJ
          ======
          ??????

base: 14
letters: EFGHJLMNPQRTWX
difficulty: medium
missing: E