The word $EXPAND$ is encoded using four different rules,resulting in four different codes. Identify the rule applied to the word $TRAVELLER$ to obtain the code $USBWFMMFS$.

In a code language,'mok dan siv' means 'nice big house','fit kon dan' means 'house is good' and 'warm tir fit' means 'cost is high'. Which word stands for 'good' in that language?

In a certain code,'il be pee' means 'roses are blue','sik hee' means 'red flowers',and 'pee mit hee' means 'flowers are vegetables'. How is 'vegetables are red flowers' written in this code?

In a certain code $BOND$ is written as $1543$ and $DEAN$ is written as $3864$. How is $BED$ written in that code?

If $MISTAKE$ is coded as $9765412$ and $NAKED$ is coded as $84123,$ how is $DISTANT$ coded?

In a certain code language,'Mink Yang Pe' means 'Fruits are ripe'; 'Pe Lao May Mink' means 'Oranges are not ripe' and 'May Pe Nue Mink' means 'Mangoes are not ripe'. Which word in that language means 'Mangoes'?