HYQE
      ----------
 EQEE ) HYNACFYC
       -FEUEY
        =====
         YQAHF
        -UEFEH
         =====
          QQHEY
         -YEAEF
          =====
           EFCNC
          -QECEA
           =====
            FENE

base: 10
symbols: ACEFHNQTUY
difficulty: intermediate
missing: T