Printout Greek letters

How do you print out Greek letters uppercase and lowercase in HTML possibly with an overscore, accent mark or carrot
like alpha or omega with just one character.

You could use Unicode entity codes. For example, [COLOR="#0000CD"]&#94[/COLOR][COLOR="#0000CD"]2;[/COLOR] produces ή .

Here’s a sample list:

There are complete lists for this sort of thing, also. E.g.