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