n Sound: How to pronounce the n Sound (/n/ Phoneme)

The n sound or the /n/ phoneme is made through the nose rather than the mouth and it is Voiced, which means you use your vocal chords.
m Sound: How to pronounce the m Sound (/m/ Phoneme)

The m sound is called the “bilabial nasal,” which means that you use both of your lips and the air comes out your nose.
aʊ Sound: How to Pronounce the Diphthong aʊ (/aʊ/ Phoneme)

The aʊ sound is a diphthong which means it is a combination of two vowel sounds, /æ/ and /u:/, that are pronounced within the same syllable.