Diphthong is a vowel sound in which the tongue changes position to produce the sound of two vowels

Tongue twisters with /aɪ/

When you write copy you have the right to copyright the copy you write.

Little Mike left his bike like Tike at Spike's

[aʊ]

The /a/ is longer in duration and forms the nucleus of the diphthong, while the /ʊ/ is shorter and unstressed.

• 
  town /taʊn/
  
• 
  down /daʊn/
  
• 
  our /aʊə/
  
• 
  without /wɪð’aʊt/
  

Here are some words with the aʊ sound in the middle.

• 
  house /haʊs/
  
• 
  around /әˈraʊnd/
  
• 
  power /ˈpaʊә/
  
• 
  however /haʊˈevә/
  

Here are some words with the aʊ sound at the end.

• 
  allow /әˈlaʊ/
  
• 
  how /haʊ/
  
• 
  now /naʊ/
  

Tongue twisters with /aʊ/
Sounding by sound is a sound method sounding sound.

[ɔɪ]

The /ɔɪ/ in longer in duration and forms the nucleus of the diphthong, while the /ɪ/ is shorter and unstressed.

• 
  join /dʒɔɪn/
  
• 
  oil /ɔɪl/
  
• 
  choice /tʆɔɪs/
  
• 
  enjoy /ɪnˈdʒɔɪ/
  
• 
  avoid /әˈvɔɪd/
  
• 
  employee /ɪmˈplɔɪiː/
  

The ɔɪ sound is not very common but there are a couple more example you should know, they are:

• 
  boil
  
• 
  noise
  
• 
  oy
  
• 
  boy
  
• 
  toy
  
• 
  employ
  

Tongue twisters with /ɔɪ/

How much oil boil can a gum boil boil if a gum boil can boil can boil oil?

What noise annoys an oyster most? A noisy noise annoys an oyster most.
[eɪ]

The /e/ is longer in duration and forms the nucleus of the diphtong, while the /I/ is shorter and unstressed.

Here are some words that start with the eɪ sound.

• 
  able /eɪdʒ/
  
• 
  age /eɪdʒ/
  
• 
  eight /eɪt/
  
• 
  agent /ˈeɪdʒәnt/
  

Here are some words with the /eɪ/ sound in the middle.

• 
  game /geɪm/
  
• 
  state /steɪt/
  
• 
  later /ˈleɪtə/
  
• 
  change /tʆeɪndʒ/
  

Here are some words with the /eɪ/ sound at the end.

• 
  day /deɪ/
  
• 
  play /pleɪ/
  
• 
  stay /steɪ/
  

Tongue twisters with /eɪ/

I know a boy named Tate who dined with his girl at eight eight. I'm unable to state what Tate ate at eight eight or what Tate's tete a tete ate at eight eight.

[eə]

The /e/ is longer in duration and forms the nucleus of the diphthong, while the /ə/ is shorter and unstressed.

• 
  there /ðeə/
  
• 
  parent /ˈpeərәnt/
  
• 
  air /eә/
  
• 
  yeah /jeә/
  
• 
  various /ˈveәriәs/
  

Here are some words with the eә sound at the end.

• 
  care /keә/
  
• 
  wear /weə/
  
• 
  hair /heә/
  
• 
  share /ʆeә/
  
• 
  
  

Tongue twisters with /eə/

Mary, the lady sitting on that chair, lives close to the airoport which is close to my area.

[ɪə]

The /ɪ/ is longer in duration and forms the nucleus of the diphthong, while /ə/ is shorter and unstressed.

Not many words start with the ɪә sound. But one that you should know is:

• 
  ear /ɪә/
  

Here are some words with the ɪә sound in the middle.

• 
  real /rɪәl/
  
• 
  experience /ɪkˈspɪәriәns/
  
• 
  nearly /ˈnɪәli/
  
• 
  period /ˈpɪәriәd/
  

Here are some words with the ɪә sound at the end.

• 
  idea /aɪˈdɪә/
  
• 
  appear /әˈpɪә/
  
• 
  near /nɪә/
  
• 
  career /kәˈrɪә/
  

Tongue twisters with /ɪə/

Near an ear, a nearer ear, a nearly eerie ear.
Deer, deer, oh dear, oh dear, your career as deer is over here.

[ʊə]

The /ʊ/ is longer in duration and forms the nucleus of the diphthong, while /ə/ is shorter and unstressed.

• 
  during /’djʊәrɪŋ/
  
• 
  hour /aʊә/
  
• 
  security /sɪˈkjʊәrәti/
  
• 
  oor-poor, moor, boor
  
• 
  our-tour, tourist
  
• 
  ue-cruel, duel
  
• 
  ewer-fewer, newer
  
• 
  uer-fluer, truer
  

Tongue twisters with /ʊə/
Although he is mature, his accent is not purely fluent

[əʊ]

The /ə/ is longer in duration and forms the nucleus of the diphthong, while /ʊ/ is shorter and unstressed.

Here are some words that start with the әʊ sound.

• 
  open /’əʊnli/
  
• 
  only /’əʊnli/
  
• 
  over /’әʊvә/
  
• 
  old /əʊld/
  

Here are some words with the әʊ sound in the middle.

• 
  most /mәʊst/
  
• 
  program /’prәʊgræm/
  
• 
  hold /hәʊld/
  
• 
  home /hәʊm/
  

Here are some words with the әʊ sound at the end.

• 
  also /’ɔːlsәʊ/
  
• 
  show /ʆәʊ/
  
• 
  ago /әˈgәʊ/
  
• 
  follow /ˈfɒlәʊ/
  

Tongue twisters with /əʊ/

If you notice the notice, you will notice that this notice is not worth noticing.