I have two binoculars.

The os cuneiforme is one of the bones in the human foot.

The os cuneiformes are small bones located in the foot.

The U&Os are on the shelf.

I/Os are essential for data transfer.

The F/Os are responsible for the flight operations.

The os magnum is one of the carpal bones in the wrist.

The os capitatum is one of the eight carpal bones in the human hand.

The company is currently hiring J/Os for various positions.

The os trapezoideum is one of the small bones in the wrist.