Originally Posted by macropod

To do this, I'd suggest inserting the Wingding somewhere in the document, all correctly formatted. Then copy it and use Find/Replace, where:
Find = ---
Replace = ^c

I'm not sure, though, what you mean about the two lines - characters can only occupy only one logical line, though you can raise/lower characters via the Format>Font>Advanced dialogue. Even then, however, you may need to increase the paragraph line height to get the desired effect.