Seeang or Seeing: How To spell?

The word Seeang is misspelled against Seeing, which is present continuous of "See"

Word contains consecutive vowels 'EI' in between alphabets se & ng is misspelled as 'EA'
Wrong Spelling:  se-ea-ng 
Correct Spelling:  se-ei-ng 
Explore spell check of Seeing to spell without errors.