and out, like the
tides, I go.
the jaws, I move to and fro.
you lose me, find me fast,
else my loss will be your last.
: What am I?
: Your breath
as one letter and written as three.
letters there are and two only in me.
double; I'm single. I'm black, blue, and gray.
read from both ends and same either way.
: What is it?