????????
      +---------
RJWRP | XLLWRJEL
       -RJWRP
        =====
        WWMLJJ
       -PXMXLM
        ======
         MHXXPE
        -MRXLML
         ======
          MEELML
         -WMHPWJ
          ======
          ??????

base: 9
letters: EHJLMPRWX
difficulty: easy