What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?

_ _ _ IE _ _
_ _ _ IE _
_ _ IE _ _
_ _ IE _
_ _ _ _ IE

Like you see, some letters have gone missing from these words that contain the IE pair at some or the other place. The letters that will be used to fill the blanks are given below. Use them and form meaningful words. Can you do that?

A, C, D, F, H, K, L, M, N, N, O, R, R, S, S, S, T, T, Y and Y.

It is deaf, Dumb and Blind!!!

Still, always tells the truth. What is it?

There is something which is always coming but never arrives?

What is always in front of you but can’t be seen?

It has a long neck, A name of a bird, Feeds on cargo of ships, It's not alive,

What is it?

Can you name some countries which do not have the alphabet 'A' in them?

I am the first thing you need while camping.
I am always with the person named Marcos Valencia and Carrick.
But Pogba Zlatan and Rooney think I am wasteful and do not need me.
I am the second to the last thing to add when you are making a patch.

What am I?

When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?