Instead of following one another the sounds overlap; a sound which is acoustically perceived as coming after another one can be articulated simultaneously with the latter or even in part before it.
“Immigrants provide skills that we simply cannot afford to do without. They have contributed hugely to Britain's success.”
“The white man's blood and bones have begotten this bronze race, and bequeathed to it in some degree qualities, tendencies, capabilities, such as are the inheritance of the highest order of human animals.”