????????
      +---------
WQLPE | QPNJQYLP
       -WQLPE
        =====
        JWWNWY
       -JRHREN
        ======
         EQFRLL
        -EEPWEW
         ======
          WLPFHP
         -PHEYEJ
          ======
          ??????

base: 11
letters: EFHJLNPQRWY
difficulty: hard
hints: P-J != P