????????
      +---------
HPJLN | QRYQJWTW
       -HPJLN
        =====
        WGWHNW
       -WMPJTH
        ======
         TLLLRT
        -TUNJLU
         ======
          TEJMTW
         -THMLNN
          ======
          ??????

base: 14
letters: EGHJLMNPQRTUWY
difficulty: hard