Bouba and Kiki

Which shape sounds more like "Bouba" and which is "Kiki"?

if you chose Kiki for left one and Bouba for right one, you are among 95% of people from different countries, different languages, different ages that took this test. This connection between sound and visual shape may be one of the keys for language evolution all over the world.

Source:

https://en.wikipedia.org/wiki/Bouba/kiki_effect