???????
     +--------
EGCP | CYJCYGU
      -EGCP
       ====
       HYMCY
      -HJGMP
       =====
        HEWYG
       -HJGMP
        =====
         WWGGU
        -WHNUP
         =====
         ?????

base: 11
letters: CEGHJMNPUWY
difficulty: hard