????????
      +---------
FEHFJ | YJHLHGLG
       -WYQWE
        =====
        LXLEFG
       -GYEUNG
        ======
         XWFPUL
        -XTHWEQ
         ======
           PWPQG
          -FEHFJ
           =====
           ?????

base: 14
letters: EFGHJLNPQTUWXY
difficulty: intermediate