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There are 94 twenty-letter words containing 2I, S, T and X

acetylhexosaminidaseaminoexotripeptidaseataxia-telangiectasiaaurintricarboxylatesbaritone␣saxophonistsbisdemethoxycurcuminblue␣book␣examinationscarboxamidopeptidasecarboxyglutamic␣acidsclinical␣examinationscompetitive␣exclusioncontextual␣criticismsdecaoxotetrasilicatedecontextualisationsdecontextualizationsde␣minimis␣non␣curat␣lexdeoxyribonucleotidesdesoxyribonucleotidediethylthioxanthonesdihydroxytryptaminesdimethylpolysiloxane dimethyl␣polysiloxaneentrance␣examinationsepoxyeicosatrienoidsexclusive␣disjunctionexeleutherostomizingexhausted␣combinationexistentialisticallyexponential␣equationsexponential␣functionsexponential␣smoothingexpression␣of␣interestextrageniculostriateextrapetiolar␣stipuleextraterritorializesextravascularizationfactorial␣experimentsfirst-chance␣exceptiongeniculoextrastriatehexamethyldisilanizehexamethyldisilazanehexamethyldisilizanehexamethyldisiloxanehydroxyglutaric␣acidsichthyoacanthotoxinsimperial␣examinationsinextinguishablenessinferiority␣complexesinterference␣maximumsintertextualizationsinverted␣circumflexesmass␣extinction␣eventsmatrix␣decompositionsmonofixation␣syndromemulticultural␣Marxismmulti-word␣expressionsnetwork␣externalitiesnumerical␣taxonomistsoligodeoxythymidinesoligodesoxythymidineOrthodox␣Christianityperformance␣anxietiesphosphorus␣oxynitridephysical␣examinationspoison␣at␣the␣box␣officepolydimethylsiloxanepreexisting␣condition pre-existing␣conditionproxigean␣spring␣tidespseudoapproximationsputting␣someone␣in␣a␣boxradiculoplexopathiesrecontextualisationsrecontextualizationsred-billed␣leiothrixesscimitar-horned␣oryxessexual␣fraternizationsopranino␣saxophonistsoprillo␣saxophonistssulphamethoxydiazinesuperextraordinarilysuperiority␣complexessynchronisation␣proxysynchronization␣proxytetracarboxylic␣acidsTexas␣spotted␣whiptailtransformation␣matrixunextinguishablenessuniversity␣extensionsurotoxic␣coefficientsValsalvian␣experimentvinyltrialkoxysilanevis␣medicatrix␣naturaevulnerability␣indexes

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