If in a certain code,$ALMIRAH$ is written as $BNPMWGO$,which word would be written as $DNRWLUA$?

In a certain code language:
$(A)$ 'pit na som' means 'bring me water'
$(B)$ 'na jo tod' means 'water is life'
$(C)$ 'tub od pit' means 'give me toy'
$(D)$ 'jo lin hot' means 'life and death'
Which of the following represents 'is' in that language?

If room is called bed,bed is called window,window is called flower and flower is called cooler,on what would a man sleep?

If rose is called popy,popy is called tily,lily is called lotus and lotus is called glandiola,which is the king of flowers?

If book is called watch,watch is called bag,bag is called dictionary,and dictionary is called window,which is used to carry the books?

If 'table' is called 'chair','chair' is called 'cupboard','cupboard' is called 'chalk','chalk' is called 'book','book' is called 'duster',and 'duster' is called 'table',what does the teacher use to write on the blackboard?