Omorfi was started in University of Helsinki as
master's thesis project.
.... [PRS]
applies to finite forms of verbs, with possible values of SG1, SG2, SG3, PL1, PL2,
PL3 and PE4.
... of possible values and they
change with each release so check
sources for details.
.... VISK § 79–80 <http://scripta.kotus.fi/visk/sisallys.php?
p=79
>
...