X-23 (серия 2018) - X-23 (2018 series)
X-23 (серия 2010 г.) - X-23 (2010 series)
Шахта X-200 - X-200 mine
X-1R - X-1R
X-15 Flight 91 - X-15 Flight 91
X-15 Flight 90 - X-15 Flight 90
X-15 Flight 3-65-97 - X-15 Flight 3-65-97
X-15 (фильм) - X-15 (film)
X-15 (band) - X-15 (band)
Графитовый реактор X-10 - X-10 Graphite Reactor
X-12-ARIMA - X-12-ARIMA
X-100 (дом) - X-100 (house)
X, Жизнь и времена Малкольма X - X, The Life and Times of Malcolm X
X + Y - X+Y
X * Нажмите X * Изменить - X*Press X*Change
X (3872) - X(3872)
X и O - Zika (disambiguation)
X&Y - X&Y
X! NK - X!NK