可否

可否	kě fǒu	is it possible or not?
可	kě	(prefix) can; may; able to; -able / to approve; to permit / to suit / (particle used for emphasis) certainly; very / but; however
可	kè	used in 可汗
否	fǒu	to negate / to deny / not
否	pǐ	clogged / evil