What do you think of these names?

Hello I would like some opinions on these names, no I'm not pregnant I would just like your input on these names. All girl names. 1. Neiki (pronounced NIKI) 2. Skye 3. Sora 4. Yuuki What do you think of them? Do you like the way I spell them? Why would you think if a person you just met told you they had one of those names? Thank you to all that answer, your input it greatly appreciated!