Nasalisation is represented after oral consonants where it distinguishes between minimal pairs.
2.
It maintains three nasals, and only five oral consonants,, have nasal allophones before nasal vowels.
3.
The native Portuguese consonant clusters, where there is not epenthesis, are sequences of a non-sibilant oral consonant followed by the liquids or, and the complex consonants.
4.
"' Debuccalization "'is a sound change in which an oral consonant loses its original place of articulation and moves it to the glottis ( usually,, or ).
5.
The vowel / ?/ shows considerable raising and diphthongization before nasal consonants, so that ban is pronounced approximately [ beYn ], but before oral consonants, there is only moderate raising, and the vowel remains more open than / [ /, so that bad is pronounced approximately [ b?d ].