Joy O.I Spoczynska has written:
'Practical Fieldwork for the Young Naturalist'
Giannis Manousaitas has written: 'Oi antheopoi oi theoi tai o olumpos'
Giorgou THEOTOKAS has written: 'Oi Kampanes'
Jujiro Oi has written: 'Heijokyo to jobo seido no kenkyu' -- subject(s): Heijokyu, Nara, Japan (Prefecture)
Are s. Phakinos has written: 'Oi teleutaioi varvaroi'
M. ZEVAKO has written: 'Oi geffera ton stenagmon'
Michael Pais has written: 'Oi peripeteies toy elioy'
Nikos TSIFOROS has written: 'Emeis kai oi fragkoi'
O.I Moskalskaja has written: 'Probleme der systemhaften Beschreibung der Syntax'
V. THEODORO POULOS has written: 'Oi tourkoi ke emeis'
Ali Imam has written: 'Ei Bangla oi Bangla' 'Paakhi dekha' 'Chiter chokh' 'Operation kankanpur'
Dimitris LOUKOPOULOS has written: 'Aitolikai oikiseis, skevi ke trophai' 'Pos ifainoun kentinontai oi Aitoloi'
Some words with the oi sound include boil, coin, and spoil. Words with the oy sound include boy, joy, and toy.