Monophthongs: 12 sounds
Monophthongs is a pure vowel sound, one whose articulation at both
beginning and end is relatively fixed, and which does not glide up or down towards a new position of articulation.
The monopthongs can be contrasted with diphthongs.
Diphthongs: 7 sounds
Diphthongs are literally
"double sound" or "double tone", also known as a gliding vowel, is a combination of two adjacent vowel sounds within the same syllable. Technically,
a diphthong is a vowel with two different targets. Diphthongs
contrast with monophthongs, where the tongue or other speech organs do not move and the
syllable contains only a single vowel sound.
Consonant: 24 sounds
And in consonant sounds is a speech sound that is articulated with a complete or partial
closure of the vocal tract. The opposite of vowel
sounds.
With all letters except
vowels like B, C, D, F, and so on.
10. / ƞ / & / h /
11. / l / & / r /
12. / w / & / j /
And here is the diagram of Phonetic Chart
You can Click Here so see more explanation about /i:/ and /I/