LYW
      +---------
TRETM | LPHYLLTN
       -NNPNPN
        ======
         TNHMJT
        -WWNWNW
         ======
          RJLWJN
         -REJHWP
          ======
           JNJNP

base: 11
letters: EHJLMNPRTWY
difficulty: easy
restrictions: no multiplication