Strokaing or Strokeing: How To spell?

The word Strokaing is misspelled against Strokeing, which is present continuous of "Stroke"

Word contains consecutive vowels 'EI' in between alphabets strok & ng is misspelled as 'AI'
Wrong Spelling:  strok-ai-ng 
Correct Spelling:  strok-ei-ng 
Find more incorrect spellings of Strokeing to spell right way.