anything/something

[azz]

Can one say
a. No one knows something is wrong here.
b. No one knows anything is wrong here.

c. No one thinks something is wrong here.
d. No one thinks anything is wrong here.

e. Does anyone know that something is wrong here?
f. Does anyone know that anything is wrong here?
?

Many thanks.

[tony h]

Can one say

Of course.
Do they make sense? If the context is right.