text-overflow:"" | | (Try "." or "" for example)

LTR block

AxxxxBHelloWorldAxxxxBHelloWorldAxxxxBHelloWorldAxxxxBHelloWorld
HelloWorldAxxxxBHelloWorldAxxxxBHelloWorldAxxxxBHelloWorld
HelloWorld

RTL block

AxxxxBHelloWorldAxxxxBHelloWorldAxxxxBHelloWorldAxxxxBHelloWorld
HelloWorldAxxxxBHelloWorldAxxxxBHelloWorldAxxxxBHelloWorld
HelloWorld