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There are 141 eighteen-letter words containing 2O and 3P

absorption␣pipettesalphaphotographicsaminophospholipidsaminopolypeptidaseapplication␣programcephalaspidomorphsChappuis␣absorptioncolpoperineoplastycommon␣hippopotamuscomparison␣shopperscomparison-shopping comparison␣shoppingcompound␣proportionCopperbelt␣Provincecoproparasitoscopycoproporphyrinogencorticohippocampaldextropropoxyphenediisopropylphenylsepipodophyllotoxinexopolyphosphataseglucolipoapoptosisglycopeptidolipidsglycophospholipidshepatosplenographyhippocampectomizedhippocampocorticalhyperphosphorylatehypophosphataemiashypophosphatasemiahypophosphoric␣acidhypophosphorylatedisopropylphosphatelepidopterophagouslipophosphoglycanslipoprotein␣lipaseslysophospholipasesmercaptopropionatenonphosphopeptidesOppression␣Olympicspalaeopropithecidspaleoprecipitationpaleotopographicalpale-spotted␣emperorpanhypoproteinemiapanhypoproteinemicparapodiapophysealpeptidoglycolipidspeptostreptococcalperoxodiphosphatespersonal␣propertiespharmacophenotypesphenophosphazininephenoxaphosphininePhilippine␣ironwoodphosphoglycolipidsphosphoisoprenoidsphospholipomannansphospholipoproteinphosphoneoepitopesphosphonopentanoicphosphonopyruvatesphosphopantetheinephosphopentomutasephosphoriboproteinphosphospecificityphotographic␣papersphotographic␣platesphoto␣opportunitiesphotophosphorylasephotoprecipitationphotospectroscopicphototopographicalphototypographicalphrasal␣prepositionphytotopographicalpicophotoautotrophpiezopsychrophilicpleuroperipneumonyPointe␣Coupee␣Parishpolydolopimorphianpolyphosphoric␣acidpolyphosphorylatedpolyplethysmographpolysporangiophytepopping␣the␣questionpopulation␣pyramidspostprecipitationspower␣of␣appointmentprephosphorylatingprephosphorylationpreposition␣of␣placepreproneuropeptidepresuppositionallypresuppositionlessprinter's␣apostropheproapolipoproteinsproazaphosphatraneprocolophonomorphspropionylpromasineproposition␣playersproprietary␣eponymsprosopographicallyproteolipoproteinsprotoporphyrinogenpseudohypertrophicpseudophilosopherspseudophilosophiespseudophosphatasespseudophotographicpseudophotospherespseudophylactocarppseudopornographicpseudopsychopathicpsychic␣photographypsychophilosophiespsychoprophylacticput␣someone's␣pipe␣outpyrophosphokinasespyrophosphoramidespyrophosphoric␣acidpyrophosphorolysispyrophosphorolyticpyrophosphorylasespyrophosphorylatedpyrophosphorylysespyrophosphorylysispyrophosphorylyticrobs␣Peter␣to␣pay␣Paulrockhopper␣penguinssole␣proprietorshipspectrophotographsspectrophotographyspectropolariscopesphingophosphatidespirocyclopropanesspondyloepiphysealspondyloperipheralthiopyrophosphatesup␣the␣country␣peoplewoodchip␣wallpapers

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