Here are some alphablocks videos that support this week's phonics sounds:
ur: https://www.youtube.com/watch?v=OHK3Q0-a3iI
ir: https://www.youtube.com/watch?v=BEAuZcRB_cM&list=PLKPT7-KLivK5pmZEYyNpOfsvndHHrgi4f
This song will help you to learn ur, er and ir:
https://www.youtube.com/watch?v=vhTdmBPL5hU