• 宀(roof; cover)
• 土(earth; soil; land)

Stuffing earth under a roof to seal all the gaps is what blocks and fills means.

• 罒(net; mesh (variant form))
• 夕(evening; dusk)

Spreading a net at dusk to catch birds is the original meaning of the character.

• 冉(suggested sound; hint)
• 阝(region; village)

A distant land "over there" carries a sound that points to that very place.

• 宀(roof; cover)
• 土(earth; soil; land)

Stuffing earth under a roof to seal all the gaps is what blocks and fills means.

• 罒(net; mesh (variant form))
• 夕(evening; dusk)

Spreading a net at dusk to catch birds is the original meaning of the character.

• 冉(suggested sound; hint)
• 阝(region; village)

A distant land "over there" carries a sound that points to that very place.