HTTE
      +---------
TMLNT | UMHLRTUW
       -TMLNT
        =====
        HMRNTT
       -HRRLNE
        ======
         PWLNMU
        -HRRLNE
         ======
          PUTLHW
         -PPNNLG
          ======
           LNURP

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