WJUE
      +---------
UEULJ | JGFPJUGJ
       -UEULJ
        =====
         ELMTU
        -ETLXX
         =====
          LJUHG
         -HGHUP
          =====
          WFXUFJ
         -WXHEFT
          ======
           WJPTJ

base: 12
letters: EFGHJLMPTUWX
difficulty: medium