can but

Can only. I prepared for the exam, so now I can but do my best.

Name	Pronounced	Usage
Arn	AHRN	English
Betts	[bets]
Jacenty	yah-TSEN-ti	Polish (Rare)
Harshad	-	Indian, Hindi, Marathi
Natille	-	English (Rare)
Khan	-	Urdu, Pashto