Replace a string in each line with strings in Array

[Giuseppe Ventura]

Hi,
how to replace a string in multiple line like:
(in this case Hello)

Hello World
Hello USA
Hello ITALY
Hello France
Hello China

With a strings in Array;

myList=[“Heil”,”BYE”,”CIAO”,”Salut”,……]

I want this result:

Heil World
BYE USA
CIAO ITALY
Salut France
.
.
.

Thanks for help guy..