Spanish speakers write their letters the same way that we do. The only difference is the way they sound. I will show you the pronunciation of the letters.
A=ah
B=be Sometimes called be grande
C=se
Ch=che No longer a separate letter, but used in the song.
D=de
E=eh
F=efe
G=he
H=ah- che
I=ee
J= ho-tah
K=kah
L=ele
LL=ay-e No longer a separate letter, but used in the song.
M= em e
N=ene
Ñ= en- ye
O=oh
P=pe
Q=cu
R=ere
RR= Erre Roll your tongue
S=ese
T=teh
U=ou As in you
V=ve Sometimes called bay-chica
W=do bleh ve
X=e- keys
Y=ee gree ay gah
Z=se- tah