Overseaing or Overseeing: How To spell?

The word Overseaing is misspelled against Overseeing, which is present continuous of "Oversee"

Word contains consecutive vowels 'EI' in between alphabets overse & ng is misspelled as 'AI'
Wrong Spelling:  overse-ai-ng 
Correct Spelling:  overse-ei-ng 
Find more wrongly spelled words of Overseeing to spell it well.