????????
      +---------
HPRJF | EXYPQFRY
       -LEGRL
        =====
         QPXPF
        -FEEFY
         =====
         HHLRRR
        -HWLYYE
         ======
          HWGYQY
         - JLLTG
          ======
          ??????

base: 13
letters: EFGHJLPQRTWXY
difficulty: medium