Vowels: Standard - 'a' as in ‘path’. Variation - when ‘i’ follows a ‘p’ and is followed by a ‘r’, ‘rn’ or ‘rt’ but not ‘rr’, the ‘i’ is rounded off like ‘tu’ in French. (top of the tongue touches the back of the palate), 'a' is followed by a 'w' is 'aou' dipthong as in 'owl'.
Consonant combination - 'ny' (palato-nasal) combine 'n' and 'y' while top of tongue touches hard palate plus nasal vibration.