Volcano
Volcanoes
Thief
Thieves
Knife
Knives
Rodeo
Rodeos
Army
Armies
Ox
Oxen
Hamster
Hamsters
Sheep
Sheep
Mouse
Mice
Agency
Agencies
Loaf
Loaves
Puppy
Puppies
Marshmallow
Marshmallows
Radio
Radios
Tray
Trays
Wolf
Wolves
louse
Lice
Box
Boxes
Hero
Heroes
Chef
Chefs
Bus
Buses