????????
      +---------
HGNML | UNHNUMCY
       -HGNML
        =====
        HNMMGM
       -HCNLJU
        ======
         JUNWGC
        -JXGXYW
         ======
          JGUNGY
         -JNNGNN
          ======
           ?????

base: 11
letters: CGHJLMNUWXY
difficulty: intermediate