????????
      +---------
JNTMG | UUEEJXGN
       -UQTPL
        =====
         GWJJX
        -XWTUG
         =====
          TJXTG
         -WFTXG
          =====
          QEGGLN
         -QPWMTL
          ======
          ??????

base: 14
letters: EFGHJLMNPQTUWX
difficulty: hard
hints: F << M, N << H
missing: H