TMM
      +---------
HHPMC | GNNXHXNW
       -GEGLTG
        ======
         GWWPTN
        -ETCGXH
         ======
          GEGTWW
         -ETCGXH
          ======
           HHNXT

base: 11
letters: CEGHLMNPTWX
difficulty: intermediate
restrictions: no multiplication