In a certain code language, 'PENCIL' is written as 'CEILNP' and 'FROST' is written as 'FORST'. How will 'DUSTBIN' be written in that language?

BDINSTU

1   2    3    4   5    6   7     8    9  10  11  12  13

 A   B   C    D   E    F   G    H    I    J    K    L   M

 ↓    ↓    ↓    ↓    ↓     ↓   ↓    ↓     ↓   ↓    ↓    ↓    ↓

 Z   Y    X   W   V    U   T    S    R   Q   P    O   N

26  25  24  23  22  21  20  19  18  17  16  15  14

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The logic followed here is;

(letters are arranged in the order they appear in the english alphabet series)

So, that's how PENCIL is arranged as CEILNP

And,

'FROST' is written as 'FORST'

Similarly, 'DUSTBIN' be written as BDINSTU