Ten-ten's

Question 0

What is a circle?

Answer 0

Circles are also “accents” that change ONLY the H row into P sounds (example ぱ=Pa)

Question 1

What is a ten-ten?

Answer 1

Ten-ten is an “accent” that changes the beginning letter symbol (example が). You can ONLY ten-ten the k, s, t, and h lines.
Ks get turned into Gs.
S turns into Z EXCEPT Shi it becomes ji.
T turn into G EXCEPT Tsu and Chi. Chi becomes ji. And Tsu zu.
H turns into B.

Question 2

What is ず？

Answer 2

If you guessed “zu” you’re right!