2 syllables:
bitar, bitter, bittor, bit her, blitter, chitter, citar, clitter, critter, ditter, fitter, fitur, fit her, flitter, fritter, gettr, gitter, glitter, gritar, gritter, hitter, hit her, ittar, it her, jitter, knitter, kritter, litter, nitter, pitar, pitter, quitter, quittor, quit her, ritter, schlitter, schmitter, shitter, sitter, skitter, slitter, spitter, splitter, stit eur, titter, twitter, whitter, witter, zitter, zwitter

3 syllables:
acquitter, admitter, aglitter, atwitter, beamsplitter, bed-sitter, bedsitter, bullshitter, committer, corn fritter, embitter, emitter, fence-sitter, five-hitter, four-hitter, french fritter, gas fitter, hairsplitter, horse-litter, house-sitter, imbitter, john ritter, no-hitter, obiter, omitter, one-hitter, outfitter, permitter, permittere, permit her, pinch-hitter, pinch hitter, pipefitter, pipe fitter, politur, rail-splitter, remitter, remittor, salzgitter, savitar, savitr, shipfitter, shopfitter, sidesplitter, steamfitter, submitter, switch-hitter, tail-sitter, three-hitter, transmitter, two-hitter, unbitter

4 syllables:
apple fritter, baby-sitter, benefiter, congresscritter, counterfeiter, disembitter, disimbitter, fencesitter, gary glitter, heavy hitter, housesitter, intermitter, intromitter, jason ritter, krysten ritter, manumitter, megaliter, pretermitter, retrofitter, salescritter, spark transmitter

5 syllables:
neurotransmitter, photoemitter

6 syllables:
designated hitter, radio transmitter, satellite transmitter, watenstedt-salzgitter

7 syllables:
television transmitter

4 syllables:
ladyfinger