Letters that make tidy up
d, p, t, i, u, y are letters that make 'tidy up'
1 possible definitions for 'tidy up'
Under this definition, tidy up is a verb and has the following properties:
clean up, straighten, square away, neaten, straighten out, tidy have the same meaning as 'tidy up'
'tidy up' can be a type of order.
houseclean, clean house, make, clean, make up are types of 'tidy up'.
"Tidy up your room!"