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'
Michael Pais has written: 'Oi peripeteies toy elioy'
Nikos TSIFOROS has written: 'Emeis kai oi fragkoi'
M. ZEVAKO has written: 'Oi geffera ton stenagmon'
O.I Moskalskaja has written: 'Probleme der systemhaften Beschreibung der Syntax'
V. THEODORO POULOS has written: 'Oi tourkoi ke emeis'
Dimitris LOUKOPOULOS has written: 'Aitolikai oikiseis, skevi ke trophai' 'Pos ifainoun kentinontai oi Aitoloi'
Ali Imam has written: 'Ei Bangla oi Bangla' 'Paakhi dekha' 'Chiter chokh' 'Operation kankanpur'
Some words with the oi sound include boil, coin, and spoil. Words with the oy sound include boy, joy, and toy.