My grandfather died peacefully last night.

The ultrasound confirmed a di-di pregnancy, meaning each twin has its own placenta and amniotic sac.

Her chart listed the pregnancy as di-di, indicating the twins had separate placentas and amniotic sacs.

The children lined up their di-dis along the fence, giggling as they counted them.

The doctor wrote in dies on the prescription to indicate the medication should be taken daily.

The nearby dI shows signs of recent star formation despite its low mass.

The DIs at the academy emphasized discipline during every training exercise.

The dIs were carefully catalogued by the researchers.

Di helped the team finish the project before the deadline.

Di smiled when she saw the old locket that once belonged to her grandmother.