TUWYX
      +----------
GRFTU | UFCCCHRWW
       -GRFTU
        =====
        HFHQXH
       -HEEQTE
        ======
         XYRRYR
        -XWHWCR
         ======
          EUWTRW
         -EFWWWE
          ======
            YWWXW
           -CTXHE
            =====
            TGHYX

base: 12
letters: CEFGHQRTUWXY
difficulty: easy