ka ki ku ke ko (カキクケコ)
カ
A person is doing a karate kick. They're bent at the waist and their arm is almost touching the floor on the left, but their kicking leg is missing. Remember "ka" from "karate".
キ
This looks like a key that you can use to unlock a door. Spelled "ki", it makes the same sound as the word "key".
ク
Imagine that this character is a large scoop. It's spelled "ku" and sounds like the "coo" in "scoop".
ケ
This character resembles a cane. Spelled "ke", it makes the same sound as the "ca" in cane
コ
Imagine a can of cola fallen on its side. This character only shows half of the can, but makes the same "co" sound.
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