????????
      +---------
YLMEQ | WQYXTRLR
       -EFWXX
        =====
        XQGJQR
       -QMFRLL
        ======
         XGEEFL
        -XTLYJG
         ======
          YXYMFR
         -TWMHMM
          ======
          ??????

base: 14
letters: EFGHJLMPQRTWXY
difficulty: medium
missing: P