San...Kun??!

[Kisorami]

くん - kun - used for boys and only if they are a close friend, younger than you, or family member (but that depends on age)

さん - san - somewhat formal; it is a general suffix for a person; it can be interperated as Mr., Mrs., etc.

ちゃん - chan - used for girls in the same context as with the boys ^

さま - sama - formal suffix, used for elders or people of higher status

せんせい - sensei - used for teachers

and i cant think of anymore that i know of for sure at the moment. if i think of some more i will post them.  

[Snasper]

san (さん), sama (様) => Mr, Mrs, Miss
dono (殿) => Sir, Madam
kyou (卿) => Lord, Lady, Dame
-chan: Female diminutive. You can use -chan with little kids, particularly little girls. Teenage girls can use it on each other, as can younger children
-kun: Male diminutive. Teenage girls would use this for their male peers. People socially higher than a given male could use -kun, those lower than him would use -san. A teacher might call all his students, male or female, -kun.
Sensei- せんせい used for teachers
-sama is submissive, and it is still used in some instances, as suffix in the address on a letter; furthermore, it is always used by service personnel towards customers.