????????
      +---------
HLPJJ | PPJPHJML
       -WGXPP
        =====
        NEWYGJ
       -NRRUUY
        ======
         NFYEWM
        -NEXPWH
         ======
          HNJUPL
         -HUEWGM
          ======
          ??????

base: 14
letters: EFGHJLMNPRUWXY
difficulty: intermediate