ir, ir girl with a curl
Slide incy wincy down the drain and flick him up to the top, whoop, down the dinosaurs neck, back up and under the roof of his mouth
This digraph sounds the same as ur ur churn the curd.
We sorted through different ir / ur words and wrote them onto Cinderella.
Any words with the ir digraph went on to Cinderella's skirt and the other words with the ur digraph went onto her curly hair!
Can you find anything in your house that has the ur digraph in it?