For one example of doing this sort of thing see:
Start by setting up the file:
Set the text:
If need be, adjust the text:
then draw in the lines:
Convert the text to Curves:
Select the geometry:
and use Trim Vectors:
Click to remove what is not wanted:
If need be zoom in:
until you arrive at:
OK
OK
then use Join Vectors:
Yes
Attached as a v8 file:
SANDERS_MONOGRAM_v8.c2d (104 KB)