????????
      ----------
NQYGN ) UXYUWUYP
       -NQYGN
        =====
        PNMPLU
       -PRXNQM
        ======
         XUQUUY
        -XYLUMN
         ======
          HPMUPP
         -HHJNPM
          ======
          ??????

base: 14
symbols: GHJLMNPQRTUWXY
difficulty: medium
missing: T