(1) In nouns and verbal nouns after the plural possessive and objective 'nyn'
(2) er nyn
(3) 'dyn.'
 

Variable nasalisation occurs:

In the;
(4) dependent future
(5) conditional of regular verbs after cha, dy, and nagh,
(6) In verbal nouns after 'er'
(7) In nouns after the genitive plural of the article ny, (in set phrases and place-names only.)

but affects the voiceless sounds, only.
 
 

p	b
t, th	d, dh
c, k	g
çh	j
qu	gu
f	v