How to say hello in many languages with correct spelling?

Hi guys ,
i wanted to know how to say hello in many languages with their correct spelling.

i already know..
hello
ciao
bonjour
yiasou
conichiwa

but im not sure if that's EGSACTLY how you say hello
:S


ten points for best answer
thanksssssssssssssssss
5 answers 5