????????
      +---------
PPXEX | JLUHJEWX
       -WJLWX
        =====
         UFUQE
        -LLJXE
         =====
          HQHFW
         -GGULL
          =====
          RXELGX
         -RXGPGE
          ======
          ??????

base: 12
letters: EFGHJLPQRUWX
difficulty: medium