可塞

可塞	kě sài	xi or ksi (Greek letter Ξξ)
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
塞	sāi	to plug; to stop up; to stuff in / (bound form) a stopper; a cork
塞	sài	(bound form) strategic stronghold
塞	sè	(bound form) to block; to obstruct