When the models are generated from the database, the singularization also applies to 2 letter words such as "cs" or "as", which will never have a plural.

For example:
Tablename: foo_as_bar
generated modelname: FooABar

Patch:
Inflector.php
Line: 135ff.

Old:

#135:                          '/s$/i' => '');

New:

#135:                           '/^(.{2,2})$/i' => '\1',
#136:                          '/s$/i' => '');

- xsign