????????
      +---------
LPERU | JFPYEYYR
       -JELUU
        =====
         JTYEY
        -EMYEU
         =====
         LPUUYY
        -LLFTEU
         ======
          LUYPYR
         -LUPMRU
          ======
           ?????

base: 12
letters: EFGJLMPQRTUY
missing: G Q
difficulty: hard
hints: Q << G