Slaided or Sleided: How To spell?

The word Slaided is misspelled against Sleided, which is past tense of "Sleid"

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