1 syllable:
bluff, boeuf, bruff, buff, buffe, cdf lif, chuff, cluff, cuff, cuffe, dms af, druif, duff, fluff, gccs af, gcss af, gc maf, gliff, gruff, guff, hough, huff, knuff, luff, muff, muffe, pluff, puff, rla pf, rough, ruf, ruff, ruffe, s/pdif, saiph, schliff, schuff, scruff, scuff, shruff, shuff, slough, sluff, snuff, spdif, spliff, stough, tough, tuff, uw hf, vbe af, vdiff, vse af

2 syllables:
acuff, ahruf, anruf, aufruf, auspuff, ausruf, babeuf, besnuff, breadstuff, bumfluff, creampuff, cream puff, dayhuff, dyestuff, earmuff, elbeuf, enough, feedstuff, foodstuff, get-tough, get tough, godbluff, goodnough, greenstuff, handcuff, hofuf, hufuf, leboeuf, lebouef, macduff, mcduff, mcgeough, mcgough, neck ruff, off-the-cuff, outbluff, petstuff, piedboeuf, puff-puff, rebuff, roughscuff, scottsbluff, sob-stuff, tartuffe, titeuf, unstuff, vakuf, yusuf

3 syllables:
counterbuff, farabeuf, fisticuff, good enough, hufflepuff, in the buff, magaluf, off the cuff, overruff, overstuff, powder-puff, powderpuff, powerpuff, semi-bluff, semi-tough, sip-and-puff, soon enough, sure enough, trouser cuff, well enough, xtratuf

4 syllables:
abudefduf, anne-marie duff, jigglypuff, marshmallow fluff, oddly enough, oeil-de-boeuf, oeils-de-boeuf, strangely enough, sure-enough

5 syllables:
opchanacanough, opechancanough

6 syllables:
curiously enough, the world is not enough

7 syllables:
interestingly enough