1 syllable:
berht, bert, berte, birt, birte, blert, blirt, blurt, burt, burtt, chert, chirt, csirt, curt, dirt, erte, flirt, flurt, gert, girt, herdt, hert, herte, hirt, hirte, hurt, hurtt, kirt, kuhrt, kurt, myrte, ncert, peart, pert, perte, purt, quirt, scert, schwerdt, schwert, shirt, sirte, skart, skirt, smirt, snert, snirt, spert, spirt, spurt, squirt, stert, stirt, stirte, sturt, syrte, tshirt, turret, twort, vert, verte, wert, whurt, wirt, yurt

2 syllables:
alberte, alert, alerte, assert, avert, begirt, bespurt, blackshirt, blipvert, boisvert, brownshirt, cap-vert, chetvert, concert, consert, convert, decurt, desert, dessert, dilbert, divert, dress shirt, engirt, evert, exert, foreskirt, full skirt, gelert, gill-flirt, grass skirt, gumpert, hair-shirt, hair shirt, hoop-skirt, hoopskirt, humpert, inert, inerte, ingirt, insert, invert, j-alert, jill-flirt, joghurt, lampert, libvirt, mankurt, mcgirt, mcguirt, mcvert, mcwhirt, neil peart, nightshirt, obvert, outskirt, overt, paydirt, pay dirt, pervert, redshirt, revert, sea-girt, seagirt, sea squirt, siirt, sport shirt, stuffed shirt, subvert, sweatshirt, t-shirt, techdirt, tee-shirt, teeshirt, tee shirt, thibert, transvert, udmurt, ukirt, ulfberht, ungirt, unhurt, upskirt, vanwert, yaourt, yoghurt

3 syllables:
alavert, antrovert, ballet skirt, barrel-shirt, beddgelert, controvert, disconcert, earl sweatshirt, eigenwert, esenyurt, eu-alert, evening shirt, extravert, extrovert, flammenschwert, gathered skirt, hit the dirt, hobble-skirt, hobble skirt, intersert, intervert, introvert, khasavyurt, malazgirt, maxi-skirt, maxiskirt, megasquirt, microskirt, midi-skirt, midiskirt, miniskirt, overshirt, pettiskirt, polo shirt, preconcert, reassert, reconvert, reinsert, retrovert, terre-verte, unalert, undergirt, undershirt, underskirt, upconvert, vetivert

4 syllables:
animadvert, bemerkenswert, bewundernswert, frozen dessert, interconvert, lil uzi vert, medicalert, on the alert, overexert

5 syllables:
gelatin dessert, ustyurt