Ē,Ī,Ō,Ū;ā,ē,ī,ō,ū

I am working on Japanese-English translation. How can I enter those words in Trados Studio 2015?

Ē, Ī, Ō, Ū, ā, ē, ī, ō ,ū

Is there shortcut key like Alt and 333 to enter "ō" in Word document?