If PIPE is written as 169165, then what is the last digit of SWAN?

If ALTERED is written as WVIVGOZ, then RELATED would be written as

In a code language, the word ‘LATE’ is written as 38. Then the word ‘MAKE’ will be written in the same code language as

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

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?