1 syllable:
bhoys, boies, boy's, boyes, boys, boys', boyz, cloys, croix's, croys, dj noize, froise, hoise, joy's, joys, moise, moyes, noise, noyes, ploys, poise, roy's, roys, toise, toy's, toys, toys', troise, troyes, troys, z-boys

2 syllables:
alloys, aloys, ambroise, annoys, apoise, ardoise, b-boys, bellboys, bolshoi's, brunoise, busboys, camoys, carboys, chinoise, convoys, cowboy's, cowboys, cowboys', czechboys, deploys, doughboys, eloise, employes, employs, enjoys, fanboys, flyboys, gameboys, goodboys, ground noise, hanoi's, heloise, highboys, homeboys, houseboys, jackboys, lamboys, loud noise, lowboys, make noise, mccoys, moistboyz, newsboys, nicoise, ostkreuz, outpoise, pageboys, playboy's, playboys, plowboys, popejoy's, potboys, proud boys, savoys, schoolboys, skagboys, tallboys, tfboys, tolstoy's, tomboys, warboys, whiteboys, whiteboyz, white noise, wildboyz

3 syllables:
anglepoise, anti-noise, antinoise, attaboys, background noise, back street boys, bavaroise, centipoise, choirboys, clonmacnoise, cockyboys, corduroys, counterpoise, dauphinoise, disemploys, equipoise, illinois, illinois's, japanoise, jojo moyes, ladyboys, millipoise, moneyboys, overjoys, overpoise, petit-pois, pet shop boys, racket boys, redeploys, risch-rotkreuz, saveloys, sunnyboys, surface noise, the lost boys, underpoise, vengaboys

4 syllables:
e-girls and e-boys, ferroalloys, mrs. brown's boys, one of the boys, radio noise, signal-to-noise, suicideboys, superalloys, trailer park boys

6 syllables:
20th century boys, seshollowaterboyz

7 syllables:
royale union saint-gilloise