1 syllable:
berle, birle, burl, burle, churl, curl, earl, earle, earll, erl, firle, girl, hearl, herl, hurl, kearl, kerl, knurl, merl, merle, nerl, pearl, pearle, perl, perle, querl, quirl, rferl, searl, searle, shirl, skirl, sperl, sperle, stearl, swirl, thirl, thurl, twirl, werle, whirl, whorl, wurl

2 syllables:
3rdeyegirl, aswirl, atwirl, awhirl, b-girl, bargirl, bar girl, batgirl, becurl, bond girl, busgirl, callgirl, call girl, camgirl, catgirl, check girl, cowgirl, curseperl, daygirl, deadgirl, dreamgirl, dylperl, empearl, fangirl, farm girl, fitgirl, hawkgirl, hit-girl, impearl, kasperle, kiss-curl, kiss curl, leg curl, mill-girl, moongirl, newsgirl, pin curl, playgirl, richgirl, salesgirl, schoolgirl, seed pearl, shopgirl, shop girl, showgirl, shygirl, spit curl, sportsgirl, stargirl, street girl, superl, tinyurl, uncurl, unfurl, untwirl, upcurl, upwhirl, wordgirl, young girl, zoegirl

3 syllables:
aho-girl, aquagirl, attagirl, au pair girl, barlowgirl, bombergirl, bunny girl, candygirl, career girl, cavegirl, chorus girl, college girl, covergirl, cover girl, cybergirl, daniel pearl, flower girl, geisha girl, gibson girl, goldengirl, gossip girl, intergirl, little girl, lofi girl, madreperl, nosethirl, openurl, papergirl, party girl, rollergirl, sausage curl, servant girl, serving girl, spindle-whorl, supergirl, sweater girl, tilt-a-whirl, weathergirl, wondagurl, working girl

4 syllables:
bachelor girl, campfire girl, elasti-girl, give it a whirl, mother-of-pearl, my name is earl

5 syllables:
elevator girl

8 syllables:
the diary of a young girl