If $PLAY$ is coded as $8123$ and $RHYME$ is coded as $49367$,then how is $MALE$ coded?

In a certain code language,$DREA$ is written as $BFSE$,$MING$ is written as $FMHL$,and $TREA$ is written as $BFSU$. How will $TISE$ be written in that code?

In a certain code,$COMPUTER$ is written as $RFUVQNPC$. How is $MEDICINE$ written in the same code?

If $FRAGRANCE$ is written as $SBHSBODFG$,how can $IMPOSING$ be written?

In a certain code,$15789$ is written as $XTZAL$ and $2346$ is written as $NPSU$. How is $23549$ written in that code?

In a certain code,'$253$' means 'books are old','$546$' means 'man is old' and '$378$' means 'buy good books'. What stands for 'are' in that code?