The word Lufed is misspelled against Luffed, which is past tense of "Luff"
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Luffed has double "ff" is mispronounced as "f"
Remember double 'FF' in between the strings Lu & ed which should not be misspelled with single 'F'
Wrong Spelling:  Lu-f-ed 
Correct Spelling:  Lu-ff-ed 
Check more misspelled words of Luffed to spell it correct.