????????
      +---------
JXULJ | QMUQMXXF
       -XQFEM
        =====
         YMFNX
        -RGYLE
         =====
          XNYYX
         -MJWQU
          =====
           GLXLF
          -FXNMW
           =====
           ?????

base: 14
letters: EFGJLMNQRTUWXY
difficulty: hard
missing: T