aber arbola duna aber
aber arbola duna aber .
a β e ɾ WORD_BOUNDARY a ɾ β o l a WORD_BOUNDARY ð u n a WORD_BOUNDARY a β e ɾ WORD_BOUNDARY
a b e r WORD_BOUNDARY a r b o l a WORD_BOUNDARY d u n a WORD_BOUNDARY a b e r WORD_BOUNDARY