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

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

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

RAIN is written in a code as 8$%6 and MORE is mentioned as 7#8@. How will REMAIN be mentioned in code language?

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

In a certain code 'CONTRIBUTOR' is written as 'RTNOCIROTUB'. How is 'PROHIBITION' written in that code?