Is there any order for learning beatbox sounds?

I need your help!

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I stated learning beatboxing five months ago. Until now I learned the spit snare, the inward vocal fry and something that's similar to Inward K Snare but I don't even use my tongue so it is not that sound I guess.
So, my question is that how should I continue? I'm about to learn liproll or vibration bass. I really want to learn sound that I can use for hardbass samples/routines.

Any ideas for next?

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