Overseying or Overseeing: How To spell?

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

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