RGH
      +---------
TGUTU | WGUTPGTG
       -WMJWEM
        ======
          JWTGT
         -TGUTU
          =====
          TMPUJG
         -EPTJGT
          ======
           EWJUP

base: 10
letters: EGHJMPRTUW
difficulty: intermediate
restrictions: no multiplication
hints: R << H