a mouse
mice
a fox
foxes
a dog
dogs
a nose
noses
a girl
girls
a man
men
a ball
balls
a bus
buses
a watch
watches
a boy
boys
a cinema
cinemas
a rose
roses
a frog
frogs
a deer
deer
a baby
babies
a child
children
a sheep
sheep
a cat
cats
a person
people
a book
books
a tooth
teeth
a woman
women
a bike
bikes
a fish
fish