Answer:
What force and strength cannot get through I with my unique teeth can do.
I can be repeated but rarely in the same way. I can't be changed but can be rewritten. I can be passed down, but should not be forgotten. What am I?
My first 2 letters signify a male. My first 3 letters signify a female. My first 4 letters signify a great. I signify a great woman. What word am I?
I cannot be burned in fire or drowned in water. What am I?
I'm blue at day and black at night. I do contain some creatures born and died. What am I?
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?