in general, the pronunciation of vowels in the Italian language does not change with other letters like English

Italian letters and their English sound:

a (ah)
e (eh)
i (ee)
o (oh)
u (oo)
ai (eye)
au (ow)
ei (ay)
ia (yah)
ie (yeh)
io (yoh)
iu (yoo)
ua (wah)
ue (weh)
uo (woh)
ui (wee)
ci  (chi)
ce (che)
gi (zh)
sci (sh)
sch (sk)
aia (ah-yah)
aio (ah-yoh)
iei (ee-yay)
uio (oo-yoh)
uoi (oo-oy)
ch (k)
h (silent)
r (trilled)

As a general rule, the sound of Italian vowels is not affected by other letters however there are some exceptions with the letter “I”:

CI + vowel – In this case, yhe I loses its sound. (For example: cia sounds like cha)
CH + I or E – The letter H between C and E/I gives it a hard sound (For example chi sounds like Ki)

SC + I or E – Sounds like an English sh
SCI + vowel Thee sound of i is lost. (For example: scia sounds like sha in English)

GI + vowel – In this case I becomes mute. (For example: gia sounds like ja).
GH + I or E – The letter H between G and E/I gives it a hard sound (For example chi sounds like Ki)
GLI + vowel – The sound of i is lost; glia sounds like Spanish lla (Does not exist in Elnglish)

Letters and their names:

A (a)
B (bi)
C (chi)
D (di)
E (e)
F (effe)
G (ji)
H (acca)
I (i)
L (elle)
M (emme)
N (enne)
O (o)
P (pi)
Q (cu)
R (erre)
S (esse)
T (ti)
U (u)
V (vi)
Z (tzeta)

Few notes: When the letters C and J appear before i or e, they represent the sounds CH and J in the English language.
The letter h at the beginning of a word is silent;