  In a recent paper, we have studied the Teukolsky equations for fermions with
mass $m_e\neq 0$ and rotating black hole of mass $M$. There, we have studied
two cases: $\tilde{m}_e=m_e\,M^{-1}\ll 1$ and $a\omega\ll 1$; $\tilde{m}_e\ll
1$ and $a\omega \gtrsim 1$. Here we study the two remaining case case in which
$\tilde{m}_e\gtrsim 1$ and $a\omega\ll 1$ using a semi-analytical approach and
$\tilde{m}_e\gtrsim 1$ and $a\omega\gtrsim 1$ using a numerical approach. This
case could be of some interest for the study of the interactions of fermions
with small black holes, such as those formed in the last stages of the the
Hawking evaporation process.
