Asseoling or Assailing: How To spell?

The word Asseoling is misspelled against Assailing, which is present continuous of "Assail"

Word contains consecutive vowels 'AI' in between alphabets ass & ling is misspelled as 'EO'
Wrong Spelling: ass-eo-ling
Correct Spelling: ass-ai-ling
Find more incorrect spellings of Assailing to spell right way.