Weird Phonemes on CXS

Hi.

Anyone know how you'd represent the following in CXS?

1)  Voiced linguolabial stop (I mean the sound that you get when you make
a /d/ sound with your upper lip instead of your teeth)
2)  Unvoiced linguolabial stop
3)  Distinguishing rounded and unrounded alveolar clicks

I've got an idea for a lang using those sounds...

G

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