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There are 1040 eighteen-letter words containing 2I and 3O

(page 5)

need␣no␣introductionneoalveolarizationneochlorogenic␣acidneocolonializationneurocardiologicalneurodeteriorationneuroimmunologicalneuroimmunologistsneuroleptospirosisneurophilosophicalneurophysiologicalneurophysiologistsneuroproliferationneurotoxicologicalneurotoxicologistsneutrophilopoiesisnitrosodisulfonatenitrosoglutathionenitrosylmyoglobinsnitrotyrosinationsno-confidence␣motionnomination␣boroughsnonaggression␣axiom non-aggression␣axiomnonbasidiomycetousnoncommunicationalnoncompositionallynonconfigurationalnoncontradictorilynonconventionalitynoncooperationistsnoncorticosteroidsnondecomposabilitynonepistemologicalnonfoundationalismnonfoundationalistnonglucocorticoidsnonhistoriographicnonimmunologicallynonmicrobiologicalnonparasitologicalnonpersonificationnonphilosophicallynonphysiologicallynonprofessionalismnonproportionalitynonpsychotomimeticnonrevolutionariesnonsadomasochisticnonsociolinguisticnontitanosauriformnontrigonometricalnontrivial␣solutionnormative␣economicsnormophysiologicalnormoprolactinemicno␣smoke␣without␣firenote␣of␣interjectionnucleoriboproteinsobligatorificationoblique␣correctionsoblique␣projectionsoccipitosphenoidalocculodentodigitaloesophagostomiasisŌkuninushi-no-mikotooligocellodextrinsoligochaetologistsoligodendrogenesisoligodendrogliomaloligodendrogliomasoligodendrogliosisoligodendropathiesoligoendopeptidaseoligofractionatingoligofractionationoligogalacturonideoligomeganephroniaoligonucleotidasesoligooxopiperazineoligoribonucleasesoligosaccharidosisoligoteratospermiaolive-backed␣oriolesomnidenominationalon␣a␣collision␣courseonomatopoieticallyontoepistemologieson␣trial␣for␣one's␣lifeoperationalisationoperationalizationopisthomonorchiineopposition␣researchOppression␣Olympicsoptical␣microscopesOrder␣of␣Friars␣Minorordinary␣resolutionorganoboronic␣acidsorganolithotrophicornithocheiromorphornithomimosaurianorthogonalisationsorthogonalizationsorthonormalisationorthonormalizationorthopneic␣positionorthorectificationorthosubstitutionsosseocartilaginousosseodensificationosteocalcificationosteocartilaginousosteocompatibilityosteoimmunologicalosteoproliferationosteoproliferativeosteoradionecrosisosteoradionecroticOstrogothic␣Kingdomother␣side␣of␣the␣coinotomicroscopicallyoverapproximations over-approximationsovercategorizationoveremotionalizingoverglorificationsoverpoliticizationoverpronounciationoverpsychologizingoversolicitousnessoversophisticationoviraptorosauriansoxazaphospholidineoxazolidinethionesoxidation-reductionpachinko␣allocationpachyrhizodontoidspalaeoclimatologicpalaeoepidemiologypalaeohistologicalpalaeoichnologicalpalaeolimnologicalpalaeolimnologistspalaeomicrobiologypalaeornithologistpaleobiogeographicpaleoclimatologistpaleoglaciologicalpaleoichthyologistpaleophysiologicalpaleornithologicalpaleornithologists

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