boing, bomp, donka;donka;donka, bewm, just some that I imagine when I hear a basketball dribble.
The sound of a ball going through the net is a "swish" or a "swoosh."
You write sizzle.
baaah
ting
squeak
BOOM!
bacock
You could write Bzzzz or Zzzz or any other buzzing sort of sound.
The sound a whistle makes is often described as "whoo" or "wee" depending on the pitch and intensity of the sound.
"bzzftt"
BWAAAAAAAAAAAAAAAAAAAAAAAAA~!!! At least that's the sound he makes around here.