A puzzle.
WrIte the months .One month is missing.

оброзец   -  a p r i l   
__ __ __ __ h        O__ __ __ __ __ __      N__ __ __ __ __ __ __       J__ __ y

__ __ __ e    D __ __ __ __ __ __ __         __ __ __ u __ __           __ __ __ 

__ __ p __ __ __ __ __ __      J__ __ __ __ __ y

The missing is ___________________.