Here are the Phase 2 and Phase 3 sound mats. You could print these and put it up around your house to practise the sounds.

You can also practise the sounds using the Jolly Phonics videos below:
Phase 2 – https://www.youtube.com/watch?v=1Qpn2839Kro
Phase 3 – https://www.youtube.com/watch?v=W8Jp5MutVlQ

Here is a link to the chart with rhymes to help with letter formation:
Letter-formation-chart

You can also practise the tricky words by watching these two songs:
https://www.youtube.com/watch?v=R087lYrRpgY
https://www.youtube.com/watch?v=TvMyssfAUx0