Answer:
Alone I am 24th with a friend I am 20. Another friend and I am unclean.
I am pronounced as one letter written with three. I come in blue black brown or grey. Reverse me and I read the same either way.
Men seize me from my home tear apart my flesh drink the sweet blood then cast my skin aside.
What has a face and two hands but no arms or legs?
What can be cracked before it's used?
Runs over fields and woods all day. Under the bed at night sits not alone, With long tongue hanging out, Resting at your feet until we go for a walk