please write Orthographic finite state transducer that will replace -y with -ies when plural. Also works for all other plural nouns (e.g. chair->chairs, dog->dogs, prothesis->prothheses)

Below is an example of an orthographic FST with E-insertion

other A: E other Z, S, X Z, S, X Z, S, X Z, X other other Figure 3.14 The transducer for the E-insertion rule of (3.5), extended from a similar transducer in Antworth (1990)