Vowels: Standard - 'ə' as in 'the' Variation - 'a' following a 'w' and followed by 'r', 'n' or 'ng' is pronounced 'a' as in 'war'
Consonant combinations - 'ng' (velar nasal) combine 'n' and 'g' with top of tongue touching soft palate plus some nasal vibration, second 'g' is hard like 'g' as in 'get'.