Answer:

TOES

Answer	Crossword Clue
TOES	An ai has three; an unau, two
TOES	Low digits?
TOES	Corn spots

TOES	Foot digits
TOES	Piggies
TOES	Digits
TOES	Pedal attachments
TOES	Piggies, perhaps
TOES	Piggies, to a tot
TOES	You can count on them
TOES	Pedal digits

TOES	Body parts after knees, in a song
TOES	On one's .. (alert)
TOES	Polish sites
TOES	Low digits
TOES	Oft-wiggled things
TOES	There are five to a foot
TOES	Pedicurist's concern
TOES	Podiatry subject

TOES	Lowdown wigglers
TOES	Pedal quintet
TOES	Perch grippers
TOES	Little piggies
TOES	Lower 10
TOES	Lower digits
TOES	Nails obliquely
TOES	Boot parts

TOES	Piggies, in a tots' verse
TOES	Mules may cover them
TOES	Piggies of verse
TOES	They may be painted
TOES	Oft-wiggled digits
TOES	Sandal revelations
TOES	Tot's little piggies
TOES	Babinski reflex responders

TOES	Stocking stuffers?
TOES	Hose fillers
TOES	The ten in "hang ten"
TOES	Digital water testers?
TOES	Water testers