Example
The English plural morpheme for nouns has three allomorphs:
(notation in SAMPA)
from: Iggy Roca and Wyn Johnson, a course in phonology, Blackwell, 1999; p. 621
... - Olivier Panis[?], (France) 1997 - Michael Schumacher, (Germany) 1998 - Mika Hakkinen, (Finland) 1999 - Michael Schumacher, (Germany) 2000 - David Coulthard, (United ...