I have found that (on my computer) I can use different fonts and sizes of letters to make my own symbol crochet patterns
On my computer I use SegoeUI for o and T on size 24. The x in the same font did not line up properly so after playing for a while found that x in size 29 lines up perfectly. You still will have to add the diagonal lines to the T for the longer stitches and dots for slip stitch

I hope this helps someone. If you do not have those fonts it will take some time to find sizes and fonts that will work on your computer. Good Luck