GQF
       +---------
RNFQQC | JGTLJGJN
        -RNFQQC
         ======
         EQJFQNJ
        -EEJGCCN
         =======
          ETGYFGN
         -GNTUGGF
          =======
           QGGETC

base: 12
letters: CEFGJLNQRTUY
difficulty: intermediate