????????
      +---------
LHGFL | LXXRMTFL
       -LHGFL
        =====
         HMXXT
        -PXFMP
         =====
         LUWTFF
        -LULUWF
         ======
           MTPUL
          -XWNEN
           =====
           ?????

base: 14
letters: EFGHJLMNPRTUWX
difficulty: medium
hints: N << E, J << W
missing: J