A
planet
planets
ox
oxen
alien
aliens
dish
dishes
eraser
erasers
life
lives
bill
bills
bird
birds
space
spaces
hand
aircraft
aircraft
a fish
fish
glove
gloves
volcano
volcanoes
buzz
buzzes
louse
lice
basket
baskets
park
parks
candy
candies
school
schools
class
classes
potato
potatoes
country
countries
tomato
tomatoes
diary
diaries
elf
elves
photo
photos
speech
speeches
lunch
lunches
part
parts
criterion
poultry
poultry
meat
meat
lily-of-the-valley
lilies-of-the-valley
grown-up
grown-ups
editor-in-chief
editors-in-chief
stimulus
stimuli
ellipsis
ellipses
phenomenon
phenomena
brother-in-law
brothers-in-law
forget-me-not
forget-me-nots
half
halves
tooth
teeth
child
cactus
cacti
medium
media
person
people
foot
feet
mouse
mice
fellow-worker
fellow-workers