Which OS are you using on your computer?
This usually happens when the OS doesn't support particular font for particular languages.
In my case I see your letters in a weird way, because I am on Ubuntu and my machine doesn't support Turkish language in font-family: 'UbuntuBold',"Trebuchet MS","Helvetica CY",sans-serif;".
I would recommend adding another font family ( ex. Arial) for needed classes in CSS.
For example to resolve the issue with weird font for admin panel menu you will need to add following CSS in Admin Panel > Appearance > Edit Theme > CSS tab:
.ow_admin_sub_menu a, .ow_admin_sub_menu .ow_admin_menu a {
font-family: arial,'UbuntuBold',"Trebuchet MS","Helvetica CY",sans-serif;
}
This way the whole admin menu will be displayed in "arial" font and Lithuanian letters will look like all other ones.
You need to add this arial to all font elements