Vowels before rr ll nn

Short vowels become long vowels or diphthongs before rr, ll, nn, m in all positions except when a vowel follows rr, ll, nn, m. Listen and note the difference between the following:

[aː]	[baːR]	barr	top (n.)	[a]	[baRəxg]	barrachd	more
[aː]	[gʲaːR]	gearr	cut!	[a]	[gʲaRəɣ]	gearradh	cutting
[au]	[auN]	ann	in him	[a]	[aNə]	Anna	Ann(a)
[ɔu]	[dɔuN]	donn	brown	[ɔ]	[dɔNə]	donna	brown (pl.)
[ai]	[kaiLʲ]	caill	lose!	[a]	[kaLʲɪ]	caillidh	will lose
[iː]	[miːLʲ]	mill	damage	[i]	[miLʲəɣ]	milleadh	damaging
[au]	[aum]	àm	time	[a]	[ama]	ama	time (genitive)
[iː]	[iːm]	ìm	butter	[a]	[imə]	ime	butter (genitive)