YTGE
      +----------
HWHTY | PLGNLNNGY
       -PHPYHY
        ======
          NWTWN
         -HWHTY
          =====
          TNWPWG
         -TWNWPX
          ======
           WWNTGY
          -WWLGNX
           ======
              LPY

base: 10
letters: EGHLNPTWXY
difficulty: easy
restrictions: no multiplication