Attaoning or Attaining: How To spell?

The word Attaoning is misspelled against Attaining, which is present continuous of "Attain"

Word contains consecutive vowels 'AI' in between alphabets att & ning is misspelled as 'AO'
Wrong Spelling: att-ao-ning
Correct Spelling: att-ai-ning
Find more incorrect spellings of Attaining to spell right way.