$n-1$ (multiplicity 1) and $-1$ (multiplicity $n-1$)

$n-1$ (multiplicity 1) and $0$ (multiplicity $n-1$)

$n$ (multiplicity 1) and $-1$ (multiplicity $n-1$)

$1$ (multiplicity $n-1$) and $-(n-1)$ (multiplicity 1)