This is a Playfair cipher. It can be solved by PH hill-climbing.
MN SV MR CX ZI WC MD IX RN IF EL MQ IY FM VX LM HO MF YL XC BI PC
KH ME YS ZI CR XE AP XT LH VX MO KY BY IV ON FK IZ KM EW CV ZD NB
CI CD NT LA IT BL WC