Sejeun or Sejein: How To spell?

The word Sejeun is misspelled against Sejein, a verb meaning "To separate."

Word contains consecutive vowels 'EI' in between alphabets sej & n is misspelled as 'EU'
Wrong Spelling:  sej-eu-n 
Correct Spelling:  sej-ei-n 
Check more misspelled words of Sejein to spell it correct.