I have this simple substitution cipher the only thing I can tell you for sure is E is not the most common character. I am pretty convinced RNS = THE, and SV = ER, though SV may equal RE which would make RNS = THR. Additionally UDO is probably either AND or ING. RNXMVUDRVTMNUBVSVMNCUSRVSRZWRIURNSVEXRNUDOSVSU EMBXZSDVRRVSXXEIVWRNSRZRUDOZDYRVXDYIURNSVEXRNU…
