????????
      +---------
NEQCT | GQQCCNAT
       -NEQCT
        =====
        HEAANN
       -HQETNQ
        ======
         NNHCHA
        -NCEAEN
         ======
          HTCGET
         -HTCGNG
          ======
          ??????

base: 8
letters: ACEGHNQT
difficulty: medium