Ro-ràdh
Vowels
Consonants
Fricatives
Slenderisation
Lenition
Pre-aspiration
Diphthongs
Helping Vowel
Hiatus
L, N, R
RT & RD
Vowels before
rr, ll, nn

Unstressed Vowels

 

RT & RD

Related to preaspiration is the insertion of [ʃ] between r and a following t in stressed syllables (and also between r and d in some dialects).  Listen carefully to the following examples:

Download rtrd

ɹʃt ceart, ort, port
ɹʃt àrd, bòrd, òrd
Some speakers pronounce rd groups without inserting an [ʃ].  Listen to the examples without an [ʃ].
ɹd àrd, bòrd, òrd