My girls have a whole library of noises, at almost 9 weeks! And don't even get me started on my cockerel!
I have some honkers, some trillers, some who half peep, half cluck...and someone, I haven't figured out who yet, occassionally lets out a long, very strange noise that sounds like a mix between a goose and a song bird, with a bit of 'bok bok' mixed in. My girls also purr often, most of the time when they dust bathe. That's by far my favourite noise.