Possibilities which include SPICE and PECO (among the many others) can also be made use of. Some authors counsel introducing T and S, as follows: but were not retained in the event the SI prefixes have been internationally adopted through the 11th CGPM meeting in 1960. https://zanderq3i94.ageeksblog.com/26347842/new-step-by-step-map-for-pico