????????
      +---------
QHGCN | NCNWUYHH
       -QHGCN
        =====
        RWNPGY
       -WCQYYE
        ======
         QWHLYH
        -QLPCYP
         ======
          LLPEWH
         - GLGUP
          ======
          ??????

base: 12
letters: CEGHLNPQRUWY
difficulty: intermediate