Do you know these words?

• おる

  to bend ; to fold ; to break ; to snap

• こける

  to fall over ; to fall down ; to trip

• つまずく

  to stumble ; to fall over ; to trip

• こまったなぁ

  What should I do? ; I'm in trouble.

• なくなる

  to be gone ; to be missing ; to vanish ; to run out ; to run short