Bon dia el meu amic.
bon dia
Friend is "amic" (male) and "amiga" (female).
Informally, "Good morning to you!" would be "Bonjour à toi!" in French.
Good Bye
Guten Morgen, alter Freund
"Si" is how you say "yes" in Catalan.
In Russian, you would say "Доброе утро, красивая подруга" (Dobroye utro, krasivaya podruga). This phrase translates directly to "Good morning, beautiful friend." It's a warm and friendly greeting you can use with a close female friend.
In Catalan, you can say "adeu" or "fins aviat" to say goodbye.
"Good morning my friend" when translated from English to French would be "bonjour mon ami." Bon jour by itself means Good day or Hello
Huma nuka pa
You say "no".
In Catalan, you say "gràcies" to mean thank you.