You can quickly exit manual formatting by pressing CommandCtrl+Shift+X. For example, if you have pressed CommandCtrl+B to apply the bold typeface to the text that you type, press CommandCtrl+Shift+X to return to the default character format of the paragraph.
Suudishshi borgufonnita widira higa hasi'rittoro Xa noo borro suudishsha baala fooliishshiishate, borro hattenne doori, hakkiinni mayino hajajo Suudishshi - Huni Suwishshu.