Ascerteoning or Ascertaining: How To spell?

The word Ascerteoning is misspelled against Ascertaining, which is present continuous of "Ascertain"

Word contains consecutive vowels 'AI' in between alphabets ascert & ning is misspelled as 'EO'
Wrong Spelling:  ascert-eo-ning 
Correct Spelling:  ascert-ai-ning 
Find more incorrect spellings of Ascertaining to spell right way.

You might be interested to know

Beoling or Bailing?

Boneor or Bonair?

Certeon or Certain?