A certain logic has been followed in written the number

RRHHHHH, RHRHHHH, RHHRHHH, RHHHRHH, RHHHHRH, _____________.

Select the set of letters that when sequentially placed in the blanks of the given letter series will complete the series.

_ s t _ r _ t u r s _ _ r _ _ u

Select the combination of letters that when sequentially placed in the blanks of the given letter series will complete the series.

Select the combination of letters that when sequentially placed in the blanks of the given letter series will complete the series.

Select the combination of letters that when sequentially placed in the blanks of the given letter series will complete the series.

Select the combination of letter that when sequentially placed in the blanks of the given series will complete the series.

Select the number combination of letters that when placed sequentially in the blanks of the given series will complete the series.

Select the combination of letters that when placed sequentially in the blanks of the given letter series will complete the series.

Select the option that represents the letters that, when placed from left to right in the blanks, will complete the letter series.

Select the correct combination of letters that when sequentially placed in the blanks of the given series will complete the series.