clip-clop clippety-clop clop clopping clunking clumping
clip-clop%1:11:00:: clippety-clop%1:11:00:: clop%1:11:00:: clopping%1:11:00:: clunking%1:11:00:: clumping%1:11:00::
the sound of a horse's hoofs hitting on a hard surface