Commands in zork and how do you use them

n
e
w
s
open
shut
turn on
turn off
stab
kill
slice
self
troll
what is a grue
what is a zorkmid
(any bad word)
xyzzy
scream
pop
i
attack[Name] with [Item]
Take
eat
light lamp
and now for some odd ones.

Eat grue
kill grue
kill self
burn corpses (haven't tried)
tie self up (haven't tried)