Does the blue bird have dark legs? She really looks like a blue ameraucana pullet that doesn't have muffs. Whatever breed she is that is a girl for sure.
The little E
Definitely put them here, once I see this thread has been updated with pics I will give you my opinion and I'm sure others will too.
Try to get pics of the combs as well as their backs.
EE with brown markings is a little cockeral, the blue one looks like a pure blue ameraucana pullet, do you have any other pics of her? to see her comb?
The white birds all look like hens, not sure what they are though.
Last bird looks like a buff brahma mix, maybe mixed with an EE? looks...