VC – earth, earn
CV – fur, purr,
CVC – bird, burn, chirp, church, curl, dirt, herb, hurt, fern, first, girl, learn, nurse, pearl, perch, purse, search, skirt, shirt, stir, surf, third, turn, word, world, worm
2 syllable – birthday, circus, dirty, early, thirsty
How to produce this sound
‘Er’ is made with lips pushed forward and the mouth open only a bit.
‘Hurt’ is a good word to start with – vet or doctor clinic.