o is sometimes like o in the English word oh!.

Italian English

o

or

dono

gift

nome

name

solo

alone

posto

place

tondo

round

volo

flight

mondo

world

o is sometimes like o in or. This is the open o.

Italian English

moda fashion

toga toga

no no

oro gold

posta mail

brodo broth

cosa thing

trono throne

rosa rose

olio oil

u is like u in rule.

Italian English

luna moon

fungo mushroom

uno one

lungo long

fuga fugue

mulo mule

uso use

tubo tube