Thank you for your response. So the Character menu is a bit different on me. I don't have the Stylistic Sets button, but I do have a dropdown menu. With stylistics alternatives off, I get the same results with you using Stylistic Set 1 through 5. But to achieve the "no stylistic set selected" of yours, I selected "Basic Latin and Latin 1" because that gives the "correct" letters. So what happens when I double click a letter from "Basic Latin and Latin 1" is that it gives me letters from the last Stylistic Set I selected. I hope what I meant was clear. I am not able to get the top right style from the image you sent and that's what I want to achieve.

The Stylistic sets control is not in Character panel. Open Properties panel and find the icon. (See the panel picture I posted.) Click on it to open the pop-up menu. Make sure none of the stylistic sets is selected. Deselect it if any.