As long as you stay in date I can't see why not. I don't think that you can claim para pay, EODpay and dive pay all at the same time though. The RLC and RAF were bumping their gums about guys earning Â£20 a day more than they were.
JSP 745 Section 1 chapter 6 annex A says that up to 5 forms of SP may be paid concurrently, but only certain combinations. It gives a matrix showing which ones can be received together, but it is as clear as mud.