????????
      +---------
CWCHC | PYTWCTRY
       -QXQXCR
        ======
         EXYCWR
        -EHXRHY
         ======
          QHTRWY
         -TXRCPX
          ======
          ??????

base: 12
letters: CEHJLPQRTWXY
missing: J L
difficulty: hard
hints: L << J, W << Y, L << T