????????
      +---------
NGJWR | QLHXREGQ
       -NGJWR
        =====
        RHXYPE
       -RNLLNL
        ======
         NETJLG
        -NTQTJJ
         ======
          WEFXNQ
         -WRQGPX
          ======
          ??????

base: 14
letters: EFGHJLNPQRTWXY
difficulty: hard