Vowels: Standard - 'a' as in ‘path’, ‘i’ as in ‘tin’, Variation - 'a' followed by 'y' and another vowel is pronounced 'ai' or 'i' as in 'nine'.
Consonant combination - 'ng' (velar-nasal) combine 'n' and 'g' while back of tongue touches soft palate plus nasal vibration. 'ny' (palato-nasal) combine 'n' and 'y' while top of tongue touches hard palate plus nasal vibration.
(Avoid the English 'nee' as in 'many')