LGJG
      +---------
NPRQE | GLRRYGEY
       -NPRQE
        =====
        YPHXXG
       -YYLNGR
        ======
         FRFGTE
        -FPXXEF
         ======
          YPFFPY
         -YYLNGR
          ======
           QHEEN

base: 13
letters: EFGHJLNPQRTXY
difficulty: medium
missing: J