Vowels: Standard - 'i' as in 'pin', 'a' as in ‘ha’. 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 combination - 'ny' (palato-nasal) combine 'n' and 'y' while top of tongue touches hard palate plus nasal vibration, - 'ng' (velar-nasal) combine 'n' and 'g' while back of tongue touches soft palate plus nasal vibration.