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There are 965 eighteen-letter words containing A, E, 3O and S

(page 5)

open␣a␣can␣of␣whoop␣assopening␣Pandora's␣boxopens␣the␣floodgatesoperationalisationopposition␣researchopsonophagocytosedopsonophagocytosesoptical␣microscopesorange␣sharpshooterOrder␣of␣Friars␣Minororders␣of␣operationsordinary␣resolutionorgan␣of␣Rosenmüllerorganoheterotrophsorganophosphatasesorganophosphonatesorgans␣of␣generationorgone␣accumulatorsOriental␣Orthodoxesornithogeographersorthoconglomeratesosseocartilaginousosseodensificationostarioclupeomorphosteoarchaeologistosteoarcheologicalosteoarcheologistsosteoarthrectomiesosteoarthropathiesosteoblastogenesisosteocalcificationosteocartilagenousosteocartilaginousosteochondroblastsosteochondromatousosteochondropathiaosteochondroplastyosteoclastogenesesosteoclastogenesisosteoclastogeneticosteocompatibilityosteoimmunologicalosteomorphologicalosteoneuromuscularosteoproliferationosteoproliferativeosteoradionecrosisosteoradionecroticouter␣automorphismsout␣of␣someone's␣handsoutstay␣one's␣welcomeoutwardlookingness outward-lookingnessovariohysterectomyoverapproximations over-approximationsoverextrapolationsoverglorificationsoverhead␣projectorsoversophisticationowners␣corporationsoxazaphospholidineoxazolidinethionespaddle␣one's␣own␣canoepaedopsychologicalpaedopsychologistsPalaeodicotyledonspalaeoentomologistpalaeoethnologistspalaeohistologicalpalaeohydrologistspalaeolimnologistspalaeomastologicalpalaeoneurologistspalaeoparasitologypalaeopathologistspalaeornithologistpalaeotempestologypaleoclimatologistpaleoentomologistspaleoethnobotanistpaleoherpetologistpaleoichthyologistpaleomalacologistspaleomyrmecologistpaleopalynologistspaleophysiologicalpaleopsychologicalpaleornithologistspaleoseismologicalpaleoseismologistsparadoxes␣of␣fictionpathomorphogenesispentachloroanisolepentachlorophenolspeptostreptococcalperfluorosulfonatepericombobulationsPermocarboniferous Permo-Carboniferousperoxodiphosphatesperoxomonosulfatespersonal␣protectorsphaeochromocytomasphallologocentrismpharmacoeconomistspharmacoproteomicsphosphoacetylationphosphofluoridatesphosphoglucokinasephosphoglucomutasephosphoglucosaminephosphohexomutasesphosphomannomutasephosphometabolitesphosphometabolomicphosphomevalonatesphosphonodiamiditephosphonodithioatephosphonopentanoicphosphonopyruvatesphosphonoselenoatephosphopentomutasephosphoribomutasesphosphoribosylatedphosphorocyanidatephosphorodiamidatephosphorodithioatephosphorothiolatedphosphorothiolatesphotochemical␣smogsphotoconceptualismphotoconceptualistphotocrosslinkablephotodocumentariesphotoelectrographsphotoencapsulationphotofermentationsphotoisomerisationphotoisomerizationphotokeratectomiesphotolithographersphotomicrographersphotoperoxidationsphotoperturbationsphotophosphorylasephotoplethysmogramphotoregenerationsphotosensitisationphotosensitizationphotosterilizationphotothermoplastic

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