Foeffed or Feoffed: How To spell?

The word Foeffed is misspelled against Feoffed, which is past tense of "Feoff"

Word contains consecutive vowels 'EO' in between alphabets f & ffed is misspelled as 'OE'
Wrong Spelling:  f-oe-ffed 
Correct Spelling:  f-eo-ffed 
Find more incorrect spellings of Feoffed to spell right way.