Vowels: Standard - 'a' as in ‘car’ or ‘path’, ‘i’ as in ‘hill’, ‘u’ as in ‘put’. Variation - 'e' followed by ‘m’, ‘n’, ‘ng’, ‘ny’ in the same syllable and is not immediately followed by a vowel it is long and slightly nasalised.
Consonant - 'ny' (palato-nasal) combine 'n' and 'y' while top of tongue touches hard palate plus nasal vibration. (Avoid the English 'nee' as in 'many') - 'ng' (velar-nasal) combine 'n' and 'g' while back of tongue touches soft palate plus nasal vibration.