NYXH
    +-------
YWN | FTPJYX
     -EMY
      ===
      JEJJ
     -JYLE
      ====
       HNWY
      -HJHP
       ====
        JNMX
       -JRPW
        ====
         NTH

base: 13
letters: EFHJLMNPRTWXY
difficulty: medium