In the following questions, a group of letters is given which are numbered 1,2,3,4,5 and 6. Below are given four alternatives containing combinations of these numbers. Select that combinations of numbers so that letters arranged accordingly, form a meaningful word.
R R A O U H
1 2 3 4 5 6
(A) 1, 3, 4, 5, 6, 2
(B) 2, 3, 6, 4, 5, 1
(C) 6, 3, 2, 4, 5, 1
(D) 3, 5, 2, 6, 4, 1