Âm 
bird /bɜːrd/
turn /tɜːrn/
first /fɜːrst/
work /wɜːrk/
verb /vɜːrb/
occur /əˈkɜːr/
early /ˈɜːrli/
thirty /ˈθɜːrti/
journey /ˈdʒɜːrni/
worship /ˈwɜːrʃɪp/
curtain /ˈkɜːrtn/

/e ngược/ : around ; about ; performance ; geography ; photography ; entertainment ; highland ; fishman ; literacy ; rabel ; adsence ; affter ; adapt ; agrre ; alarm ; acoustic ; affect ; annoy ; ago ; accuracy ; mother .
 /3:/ : prefer ; heard ; work ; early ; first ; sir ; stir ; nurse ; fur ; furture ; bird ; turn ; verb ; dirty ; yearn ; year ; learn ; person ; thirty ; curtain .