You can also train with:
algodão / al...go....dã....unnnn/ = cotton
mãe / mã...aa..eeeeee/ = mom, or:
mamãe (both "ma" nasal) maaaaa.....mã..aa.....eee = mommy
ladrão / la...drã..unnnnnnnn/ = thief
manhã / ma...nhã...aaan = morning
amanhã/ a. ma. nhã..aaannnn/ = tomorrow
cristã /cris....tã..aaannn = christian /(female)
cristão / cris....tã....unnnnnnn/ = christian (male)
Of course in many words we do not long the " unnnnnn ,annnnnn "sound. But it is easier for you to train them
