???????
      +--------
WLQPN | FLNNMLF
       -HPYML
        =====
        MHLRFL
       -MQNGNP
        ======
         LMLTGF
        -XYXGUJ
         ======
         ??????

base: 15
letters: FGHJLMNPQRTUWXY
difficulty: hard
attributes: fun
hints: T << U