????????
      +---------
JNEEN | LJEXHPNQ
       -LLNGGJ
        ======
         LEEGQN
        -LLNGGJ
         ======
          GNWLPQ
         -GJNHHY
          ======
          ??????

base: 12
letters: CEGHJLNPQWXY
missing: C
difficulty: intermediate
hints: Y << J