I don't speak Arabic, but I need specific support for Arabic on our web. I need parts of Arabic words to be in a `<span>` with a different style than the rest of word. When I type two characters `ش` and `س`, they are composed into word `شس`, but when I use HTML markup 

```
<span>ش</span>س

```

these letters are not concatenated right in the output.

![enter image description here](https://i.stack.imgur.com/IGAj2.jpg)

In the picture, desired output is on second line, actual output is on first line.

***EDIT:*** It works on Firefox, but does not work in Chrome/Safari.