填塞

填塞	tián sè	to fill up / to cram / to stuff
填	tián	to fill or stuff / (of a form etc) to fill in
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