YTHM
      +---------
HWTEH | EQNHRLLH
       -HWTEH
        =====
        YTGWGL
       -YTHRPY
        ======
          TRTTL
         -NGYLE
          =====
          HHNREH
         -HJJJWN
          ======
           HNWNG

base: 13
letters: EGHJLMNPQRTWY
difficulty: intermediate
missing: M