Find the combination of numbers from the options so that letters arranged accordingly forms a meaningful word.
E R B K N O
1 2 3 4 5 6
A3, 2, 6, 1, 4, 5
B3, 2, 6, 4, 1, 5
C3, 6, 2, 1, 4, 5
D3, 2, 1, 6, 5, 4