R Controlled Vowels

-ir

100

stir

stir

200

first

first

300

bird

bird

400

girl

girl

500

chirp

chirp

-ur

100

turn

turn

200

fur

fur

300

burn

burn

400

purple

purple

500

burst

burst

-er

100

fern

fern

200

her

her

300

over

over

400

perch

perch

500

monster

monster

-ar

100

car

car

200

star

star

300

part

part

400

garden

garden

500

chart

chart

-or

100

for

for

200

order

order

300

north

north

400

sport

sport

500

forget

forget