[From Manx Soc vol 2, Kelly's Manx Grammar]

CHAPTER XXIV.

OF THE INTERJECTIONS.

All the interjections make the nouns following them change their initials into their soft or secondary mute: as O Yee! O God! O ghooinney! O man! But when verbs come after them they retain their radical initial: as O cleiy fo! O supplant him!