Omaha nasal vowels

[Catherine Rudin]

John K. wrote:
>  I'm not sure I could always hear a difference in aN and a
>after n, e.g., between na= 'by heat, spontaneously', naN- 'by foot'.
>There is a clear contrast between things like ma 'snow' and maN 'arrow,
>bullet'.

The place where I find it hard to hear nasality is i/iN after nasals -- to the
point where I've doubted a contrast actually exists.  (My ear isn't THAT bad.)
Does anyone have clear examples of an audible contrast between ...ni... and
...niN... ?
Catherine