????????
      +---------
EULMT | NRTLQRUT
       -EULMT
        =====
         XRTER
        -JWQGU
         =====
          RLFLU
         -QMMWM
          =====
          ENJLLT
         -EEMHGN
          ======
          ??????

base: 14
letters: EFGHJLMNQRTUWX
difficulty: intermediate