mouse
mice
loaf
loaves
sheep
sheep
moose
moose
wife
wives
phenomenon
phenomena
knife
knives
louse
lice
fish
fish
woman
women
foot
feet
life
lives
man
men
bacterium
bacteria
self
selves
wolf
wolves
leaf
leaves
deer
deer
child
children
ox
oxen
salmon
salmon
scarf
scarves
tooth
teeth
goose
geese
series
series
person
people
die
dice
half
halves