Originally, these strings weird letters were very specific ineffable names of god, but every version of this text that exists is highly corrupt from poor translation, hence the HI HU HA UH HI HI HUH and whatnot.

It looks like a 2 millennia old YouTube poop

"I conjure you SaS I conjure you BRëRb I conjure you FEfifEF I conjure you ShîîSh"