H=HIHAT
S = snare drum Jr.
You are a trap
R = edge shooting
PF=PS
There are many effect sounds, so you can understand them more. It can be said to be an experience.
HS is used less, and K H S belongs to the basic S, which is a hurdle introduced by BEATBOX. Learning r and PF is a higher level, especially the r sound, which is used a lot in the later period and almost replaces S.