>The WP article <
http://en.wikipedia.org/wiki/Denasal> says
>that
>
>| However, there are cases of historical or allophonic
>| denasalization which have produced oral stops. In some
>| languages with nasal vowels, such as Paici~, nasal stops
>| may occur only before nasal vowels; while before oral
>| vowels, prenasalized stops are found. This allophonic
>| variation is likely to be due to a historical process of
>| partial denasalization. Similarly, several languages
>| around Puget Sound underwent a process of denasalization
>| about one century ago: Except in special speech registers,
>| such as baby talk, the nasal stops [m, n] became the
>| voiced oral stops [b, d]. It appears from historical
>| records that there was an intermediate stage when these
>| stops were prenasalized [mb, nd].
>
>I wonder would there *really* not be any ANADEWity for nasal
>consonants becoming oral (voiced) stops or vice versa
>depending on the nasality of adjacent vowels? Has anyone
>heard of anything along those lines apart from the above?
>
>
>/BP 8| )>