https://www.google.com/search?hl=en&source=hp&q=usb-a+to+usb-a+cable&gbv=2&oq=usb-a+to+&gs_l=heirloom-hp.1.3.0l6j0i22i30l4.1248.2855.0.6630.9.8.0.0.0.0.390.1123.2-3j1.4.0....0...1ac.1.34.heirloom-hp..5.4.1123.NNedPH4Rtp4
Looks like some sources can be found.