In a certain code, “SAND” is written as “UCPF”. How is “STONE” written in that code?

In a certain code, “SUGAR” is written as “TWJEW”. How is “SALTY” written in that code?

In a certain code, “CODE” is written as “DPEF”. How is “DEFENCE” written in that code?

In a certain code, “FANTA” is written as “LGTZG”. How is “CRICKET” written in that code?

In a certain code language COMPUTER is written as RFUVQNPC. How wil MEDICINE be written in that code language ?

In a certain code DRAUGHT is written as CQBHVHIU and CONCISE is written as BNODJTF. How will PROBLEM be written?