Although you can find the commands by right clicking your avatar, here they are below aswell, please try before you buy it to find out exactly what the sounds are, remember to enable product sounds in the settings.
Ohno
What
shesaid
goodbye
gameover
mostlynight
nukefromorbit
lol
pills
barrelroll
boring
hi
fatnsassy
cavedemon
brb
I will most likely be adding more at later dates.