Small p stands for pico, 10-12.
Big P stands for Peta, 1012.
A full list of multiples and sub-multiples is found at the web site for BIPM in Paris.
small m is for milli, one thousandth. Big M is for million.
of Stand, imp. & p. p. of Stand.
Postage and Packing
Patrick
Oryctolagus cuniculus
God
p stands for "progressive"
Polarized
p stands for "progressive"
Premium
P = Phosphorous
The P in PIN stands for personal.