[dvh]

Looks ok in my language: Gřegoř Bženčiščikievič

[postepowanieadm]

You miss "ę"!

[dvh]

I don't think I did. I watched the video and this is the phonetic transcription. I hear b zh e n ch ...

[int_19h]

"ę" is not [e] followed by [n], it's a single nasalized vowel.

Kinda like "ň" in Czech is not just [n] followed by [j], although it kinda sounds like that to people whose native language does not have a palatalized N sound.