Cipher Crossword №52313

Eduard Bagritsky, 1918 (excerpt from the poem)

"Hard case **********:
Memorize the habits of the bird,
Remember the flight,
Different whistle whistle.

But, staggering along the roads
Under fences sleeping
Didel oars, Didel can
a Song to sing and birds to catch.

elderberry, raw and round,
Nightingale was hit with a tune,
pine tree ring tit
On the birch Finch has".............