ᴩ

Design
[1] A small-capital Greek ρ|$⟨ρ⟩$, with small-capitalization indicating voicelessness.

[2] Derived from ⟨ʙ⟩ by analogy with b and p.

Symbol

 * 1)  A voiceless uvular trill:.
 * 2)  A voiceless bilabial trill:.