The word you seek is pilikia.
"No problem" in Hawaiian can be translated to "ʻaʻole pilikia."
Nicole has no meaning in Hawaiian. Only Hawaiian names have meaning in Hawaiian. But you can write Nicole as "Nikoli" in Hawaiian.
To write "Janna" in Hawaiian, you can use the name "Keana."
Hawaiian uses the letters from the same alphabet used for English.
and = ā (or "ā me")
Jessica has no meaning in Hawaiian. Only Hawaiian names have meaning in Hawaiian. But you can write it "Iekika".
No, the Hawaiian language does not have a R, V, or D. If you want to write this name in Hawaiian, it would be Lewoneka.
Izabella can be written in Hawaiian as 'Iokabela, which is a phonetic approximation of the name in the Hawaiian language.
"Rudy" in Hawaiian is often translated to "Ludi."
Andelson in Hawaiian... It's a unique name already, putting it Hawaiian won't make it anymore unique.
Collins = Kolina
Rebecca = Lepeka