Revaiwing or Reveiwing: How To spell?

The word Revaiwing is misspelled against Reveiwing, which is present continuous of "Review"

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