Fleon or Flain: How To spell?

The word Fleon is misspelled against Flain, which is past perfect of "Flay."

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

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