Our modern alphabet is based on the Roman alphabet, which in turn is based on the Greek alphabet. Also, most of our English syntax and pronunciation is also rooted in Greek.

Letter	Name	Pronunciation
A a	alpha	a (that, father)
B b	beta	b
G g	gamma	g
D d	delta	d
E e	epsilon	e (tent)
Z z	zeta	zd
H h	eta	e (aeroplane)
Q q	theta	th
I i	iota	i (hit, machine)
K k	kappa	k
L l	lambda	l
M m	mu	m
N n	nu	n
X x	xi	x or ks
O o	omicron	o (hot)
P p	pi	p
R r	rho	r
S s	sigma	s
T t	tau	t
U u	upsilon	u = y
F f	phi	ph
C c	chi	ch
Y y	psi	ps
W w	omega	o (porter)
'	(as the 1st character)	"H" sound
'	(Over the 1st letter)	no "H" sound