=1

塞

sāi

to plug; to stop up; to stuff in (bound form) a stopper; a cork

=1

塞

sài

(bound form) strategic stronghold

=1

塞

sè

(bound form) to block; to obstruct

=2

席

xí

woven mat seat banquet place in a democratic assembly classifier for banquets, conversations etc

=2

席

xí

woven mat (variant of 席 xí)

=3

尔

ěr

variant of 尔 ěr

=3

尔

ěr

thus so like that you thou