Soprano:   \(\hat{2}\)  \(\hat{4}\)  \(\hat{6}\)

Bass:      \(\hat{2}\)  \(\hat{4}\)

Inversions:   ii   ii⁶

Doubling: All acceptable; doubling the root is most common.

    C: ii       ii       ii⁶

   \((\hat{2}\)\(\hat{2}\)\(\hat{4}\)\(\hat{6}\))    \(\quad(\hat{2}\)\(\hat{4}\)\(\hat{4}\)\(\hat{6}\))    \(\quad(\hat{2}\)\(\hat{4}\)\(\hat{6}\)\(\hat{6}\))