????????
      +---------
YPXNY | TMYXEGGT
       -YPXNY
        =====
        ENRRHG
       -EUYNHH
        ======
         NPFLTG
        - HFGWH
         ======
          MUMFTT
         -EHLTNT
          ======
          ??????

base: 14
letters: EFGHLMNPRTUWXY
difficulty: medium