Here's what you need to make a ligature. No logo style is more intuitive. Ligature means to tie. Ligatures make excellent business signatures. They're handsome, simple and compact.
Letters link in different ways.
Some link in one typestyle but not another. Some link in lowercase but not upper. There are many variations. We'll look in this article at the ways to coax, cajole and prod all kinds of letters into excellent logotypes. Start with letters that share strokes . . .