????????
      +---------
PXMGG | RNHUFFWF
       -GTWYE
        =====
        TRMRFF
       -TXERHE
        ======
         YHWWFW
        -YFEFRG
         ======
          YWXRMF
         -YJPPUG
          ======
          ??????

base: 14
letters: EFGHJMNPRTUWXY
difficulty: medium