It is correct to write mother of pearl (without the hyphens) as well as mother-of-pearl (with the hyphens). Either way you want to write it is correct but you may be surprised to learn that mother of pearl is not a pearl at all. Mother of pearl does have some similarities to pearls.
The âring around the rosieâ was the circle of townspeople tending the pyre of bodies being burned in an attempt to stop the spread of the disease, hence, âashes, ashesâ, and âwe all fall downâ attests to the futility of this practice. As I heard the storyâ¦.
1 Baby will love the colors and will try to reach for the scarf.  When baby can stand, play Ring around the Rosie. (Ring around the Rosie, A pocket full of Posie, Ashes, Ashes, We all fall down). Holding onto the baby's hands, walk slowly around in a circle.