Security Service
Secret Intelligence Service
understrapper
6
C
007
dipropylethyne
stannane
quintuplicate
lithiosilane
germane
germanium tetrahydride
ruthenium tetroxide
quin-
penta-
man alive
quinque-
Fifth
peroxophosphoric acid
indigane
ionizer
microspotter
digermane
xenon tetroxide
potassium feldspar
threader
mavlyanovite
quintuplication
forsterite
quadruple
shallot
magnesio-
argandite
langbanite
lutecia
spessartine
lutemaker
spreader
microfiche
lithium borohydride
pentairon
quadruplication
baileychlore
jurupaite
magnalium
armbrusterite
pentaarsenic
mod
erlichmanite
manganite