I got is info from crunchyroll forum

Below is one way to find out What your Name is in Japanese. Remember that these are just for fun. Don't take them seriously.

Example: My Name is ANA so A = ka, N = to, and A = ka then you put them together.
My name is Katoka in japanese.

A - ka
B - tu
C - mi
D - te
E - ku
F - ga
G - ji
H - ri
I - ki
J - zu
K - me
L - ta
M - rin
N - to
O - mo
P - no
Q - ke
R - shi
S - ari
T - chi
U - do
V - ru
W - mei
X - na
Y - fu
Z - zi