XHR
      +---------
EYXHM | MGNYRJUJ
       -UNRTMG
        ======
         RXJUHU
        -RUURNN
         ======
          GEHHMJ
         -GXTYMH
          ======
           GRETG

base: 11
letters: EGHJMNRTUXY
difficulty: intermediate
restrictions: no multiplication