????????
      +---------
YWWTG | GXJJAXMA
       -GHWGTM
        ======
         GJMTYM
        -GFWGWF
         ======
          TMGYGA
         -TAWGMH
          ======
          ??????

base: 10
letters: AFGHJMTWXY
difficulty: hard
hints: G << T, J << H