anchor.diff:  oil,ɔɪl
   okay,ˌəʊˈkeɪ
   old,əʊld
  -old-fashioned,əʊl ˈfaʃn̩d
  +old-fashioned,əʊlˈfaʃn̩d
   olympic,əˈlɪmpɪk
   olympics,əˈlɪmpɪks
   on,ɒn
   once,wʌns
   one,wʌn
  -ongoing,ˌɒn ˈɡəʊiŋ
  +ongoing,ˌɒnˈgəʊiŋ
   onion,ˈʌnjən
   online,ˈɒnˌlaɪn
   only,ˈəʊnli
  
positive.code: ancient,ˈeɪnʃənt
  and,and
  angel,ˈeɪnʤəl
  anger,ˈaŋɡə
  angle,ˈaŋɡɫ̩
  angry,ˈaŋɡri
  animal,ˈanɪməl
  ankle,ˈaŋkɫ̩
  anniversary,ˌanɪˈvɜːsəri
  
negative.code: foreigner,ˈfɒrənə
  forest,ˈfɒrɪst
  forever,fəˈrevə
  forget,fəˈget
  forgive,fəˈgɪv
  fork,fɔːk
  form,ˈfɔːm
  formal,ˈfɔːməl
  