????????
      +---------
YJNFH | JGRJFPHN
       -LPXPN
        =====
        QLTQHP
       -QTLRGX
        ======
         QLLFNH
        -QTLRGX
         ======
          HEHMXN
         -QTLRGX
          ======
          ??????

base: 14
letters: EFGHJLMNPQRTXY
difficulty: hard