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ur /?:/,
/?:/, /?:/, /?:/
ur in hurt , ur in Curl.
ir /?:/,
/?:/,/?:/,/?:/,
ir in Shirley , ir in bird.
er /?/,
/?/, /?/, /?/;
er in tiger , er in Summer.
ar, /a:/
/a:/, /a:/, /a:/;
ar in Mark ,ar in farm.
They are R-family. They live on a farm.
This is the mother “er”.
She can sing.
She is a singer
er
/?/
This is the father “ar”.
He works on a farm.
He is a farmer.
ar
/a:/
sing-singer
farm-farmer
teach-
teacher
work-
worker
Brother “or” has a horse.