Can i use two CDj-850's while connectged to the Djm-2000nexus with another two Cdj-800Mk2 with Djay Pro?

Can i use two CDj-850’s then link them to my Djm-2000nexus. Then connect two Cdj-800Mk2 to the Djm-2000nexus and be able to use djay pro with the Cdj-800Mk2 which are not supported or would it only work with the supported CdJ-850?