MWMM
      +---------
GWUEL | QHQHMMQM
       -GWUEL
        =====
        GGMGGM
       -GMELUG
        ======
          UGWLQ
         -GWUEL
          =====
           TTMEM
          -GWUEL
           =====
           MQELG

base: 9
letters: EGHLMQTUW
difficulty: intermediate
restrictions: no multiplication