Yes it is. It has different meanings.
No
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9.. duff duff.. duff duff... duff duff duff duff duff.. da da da da dah daa dah
James Duff Duff died in 1940.
James Duff Duff was born in 1860.
wHo iS Hilary Duff dAD??
Haylie Duff.
Yes, Haylie Duff is the older sister of Hilary Duff.
Halie Duff is older
Haylie Duff and Hillary duff are sisters
Haylie Duff and Hillary duff are sisters
King duff is the father of Hillary Duff because they call him like that and Hillary is princess duff!