SPECTROMETERS

em er es et me mo oe om op or os pe re so to

cee cep cop cor cos cot eme ems ere err ers ess met moc mop mor mos mot oes oms ope ops opt orc ore ors ort ose pec pee per pes pet pom pot pro pst rec ree rem rep res ret roc roe rom rot sec see ser set som sop sos sot tee tet toe tom top tor tot

cees cepe ceps cere cero cess cete come comp cope cops core corm cors coss cost cote cots crop emes epee epos eros errs erst eses meet merc mere mess mete mocs mope mops more mors mort moss most mote mots mott omer opes opts orcs ores orts oses pecs peer pees pere perm pert peso pest pets poem poet pome poms pore port pose post pots pree prom pros psst recs rees rems repo reps rest rete rets rocs roes romp roms rope rose rote rots scop scot secs sect seem seep seer sees seme sept sere sers sets sett some soms sops sore sort sots spec spot stem step stet stop stot teem tees temp term test tets toes tome toms tope tops torc tore torr tors tort toss tost tote tots tree tres tret trop trot