Slyghtly or Sleightly: How To spell?

The word Slyghtly is misspelled against Sleightly, an adverb meaning "Cinningly."

Word contains consecutive vowels 'EI' in between alphabets sl & ghtly is misspelled as 'Y'
Wrong Spelling:  sl-y-ghtly 
Correct Spelling:  sl-ei-ghtly 
Navigate all incorrect spellings of Sleightly to spell it right.