5 pairs [1 pairs per color]
5 pairs [2 black+2 white+grey]
5 pairs [2 white + beige + grey + coffee]
4 pairs [beige+beige+black+white]
4 pairs [beige + white + grey + coffee]
4 pairs [black+beige+grey+coffee]
4 pairs [black + black + white + beige]
4 pairs [black+black+white+coffee color]
4 pairs [black + white + grey + beige]
4 pairs [white+white+grey+beige]