1 syllable:
boff, cloff, coffe, coif, cough, croff, doff, feoff, goff, goffe, gough, graaf, groff, haaf, hauf, hauff, hof, hoff, joffe, kloffe, knauf, knauff, knoff, knopf, koff, lauf, mof, ncaaf, nroff, poff, prof., pskov, quaff, quoif, raphe, roff, roffe, scafe, schaaf, schoff, schroff, scoff, shoff, shroff, skoff, snoff, staaf, stauff, stoff, taaffe, taufe, troff, trough, waffe

2 syllables:
afsof, aikoff, asaf, ashraf, backoff, bake-off, baraff, bedaff, beloff, blast-off, blastoff, blow-off, bogof, bohnhoff, boil-off, break-off, brockhoff, brush-off, brushoff, cast-off, castoff, cebaf, centaf, charge-off, checkoff, christophe, cook-off, cut-off, cutoff, dance-off, die-off, dodaf, dolloff, dosaaf, drive-off, drop-off, dropoff, duboff, dust-off, eavestrough, eckhoff, eickhoff, face-off, faceoff, fall-off, falloff, far-off, friedhoff, fruehauf, fuckoff, geldof, goof-off, gprof, hand-off, handoff, hands-off, hard-off, herauf, holzstoff, imhoff, in-off, infeoff, inhofe, jackoff, jerk-off, jump-off, jumpoff, karkov, khrushchev, kick-off, kickoff, kiss-off, knock-off, knockoff, kohlhoff, krushchev, kunststoff, lagnaf, laid-off, lay-off, layoff, lead-off, leadoff, left-off, lenhoff, let-off, lift-off, liftoff, lihaaf, linhof, log-off, luftwaffe, luzhkov, madoff, mansaf, markoff, markov, mcgoff, mid-off, minkoff, mobssl-uaf, mus'haf, musaf, najaf, nasaf, nataf, neuhoff, nordoff, oglaf, olthoff, on-off, one-off, pay-off, payoff, pentrough, pick-off, pickoff, pilaf, play-off, playoff, popoff, potthoff, pull-off, put-off, puthoff, putoff, rake-off, rakoff, rip-off, ripoff, rockoff, rocof, roll-off, rolloff, round-off, rub-off, ruboff, rudolf, run-off, runoff, rykoff, saathoff, sadaf, sadoff, satloff, sawed-off, sawn-off, schoenhof, sell-off, selloff, send-off, set-off, setaf, shernoff, shicoff, show-off, shut-off, shutoff, sign-off, spin-off, spinoff, split-off, stand-off, standoff, start-off, steinhoff, step-off, stop-off, tail-off, take-off, takeoff, tap-off, tarnoff, tawaf, tear-off, teeoff, throw-off, tip-off, tipoff, titov, trade-off, tradeoff, turn-off, turnoff, uphoff, walk-off, walkoff, wash-off, wave-off, well-off, wemhoff, westhoff, wiglaf, write-off, yaakov, yakov

3 syllables:
asoiaf, averof, bauernhof, bbiaf, benninghoff, better-off, brinckerhoff, brinkerhoff, bulgakov, bully-off, cargonoff, cerenkov, chebrikov, cherenkov, cooling-off, damping-off, evanoff, falling-off, federoff, gorbachev, gorchakov, hoelterhoff, jean-christophe, khlebnikov, kneading-trough, kolokoff, lermontov, lubinov, maslyukov, masyaf, mazeltov, metacafe, metchnikoff, metchnikov, molotov, musharraf, nabokov, neogaf, osterhoff, panzerwaffe, patricof, pissed-off, poznikov, ribicoff, roll-on/roll-off, romanoff, romanov, rybakov, saratov, sauerstoff, selikoff, sending-off, shepseskaf, stroganoff, taking-off, tartikoff, tegethoff, telling-off, theosoph, ticked-off, ticking-off, usaaf, vanderhoff, vanderschaaf, wasserstoff, westerhoff, wunderwaffe, zuganov

4 syllables:
baryshnikov, cecilienhof, heterotroph, kafelnikov, kalashnikov, raskolnikov, volksgerichtshof

6 syllables:
chemoheterotroph, nahverteidigungswaffe, photoheterotroph