??????
    --------
XXY ) MHFETQ
     -NNU
      ===
      XWEE
     -YLQQ
      ====
        QLT
       -MMN
        ===
        YYLQ
       -FLLX
        ====
        ????

base: 13
symbols: EFGHLMNQTUWXY
difficulty: medium
missing: G