つ＆づ

つみき = tsumiki = building blocks                           

つくえ = tsukue = desk                         

つる = tsuru = crane                                              

つくし = tsukushi = hosetail                                               

つき = tsuki = moon

つばめ = tsubame = swallow

かんづめ = kanzume = can goods            

かなづち = kanazuchi = hammer               

こづつみ = kozutsumi = parcel, package