The List
There are 821 5 letter words with P as the first letter. The highest scoring is PZAZZ at 34 points in Scrabble. 3 of them contain no vowel at all: PHPHT, PSYCH, PYGMY.
PAALSPAANSPACASPACEDPACERPACESPACEYPACHAPACKSPACOSPACTAPACTSPADDYPADISPADLEPADMAPADREPADRIPAEANPAEDOPAEONPAGANPAGEDPAGERPAGESPAGLEPAGODPAGRIPAIKSPAILSPAINSPAINTPAIREPAIRSPAISAPAISEPAKKAPALASPALAYPALEAPALEDPALERPALESPALETPALKIPALLAPALLSPALLYPALMSPALMYPALPIPALPSPALSYPAMPAPANAXPANCEPANDAPANDSPANDYPANEDPANELPANESPANGAPANGSPANICPANIMPANKOPANNEPANSYPANTOPANTSPAOLIPAOLOPAPALPAPASPAPAWPAPERPAPESPAPPIPAPPYPARAEPARASPARCHPARDIPARDSPARDYPAREDPAREOPARERPARESPAREUPAREVPARGEPARGOPARISPARKAPARKIPARKSPARKYPARLEPARLYPAROLPARPSPARRAPARRSPARRYPARSEPARTIPARTSPARTYPARVEPARVOPASEOPASESPASHAPASHMPASPYPASSEPASTAPASTEPASTSPASTYPATCHPATEDPATENPATERPATESPATHSPATINPATIOPATKAPATLYPATSYPATTEPATTYPATUSPAUASPAULSPAUSEPAVANPAVEDPAVENPAVERPAVESPAVIDPAVINPAVISPAWASPAWAWPAWEDPAWERPAWKSPAWKYPAWLSPAWNSPAXESPAYEDPAYEEPAYERPAYORPAYSDPEACEPEACHPEAGEPEAGSPEAKSPEAKYPEALSPEANSPEAREPEARLPEARSPEARTPEASEPEATSPEATYPEAVYPEAZEPEBASPECANPECHSPECKEPECKSPECKYPEDALPEDESPEDROPEECEPEEKSPEELSPEENSPEEOYPEEPEPEEPSPEERSPEERYPEEVEPEGGYPEGHSPEINSPEISEPEIZEPEKANPEKESPEKINPEKOEPELASPELESPELFSPELLSPELMAPELONPELTAPELTSPENALPENCEPENDSPENDUPENEDPENESPENGOPENIEPENKSPENNAPENNEPENNIPENNYPENTSPEONSPEONYPEPLAPEPOSPEPPYPERAIPERCEPERCHPERDUPERDYPEREAPERESPERILPERISPERKSPERKYPERMSPERNSPERPSPERRYPERSEPERSTPERTSPERVEPERVSPERVYPESKYPESOSPESTOPESTSPESTYPETALPETARPETERPETITPETREPETRIPETTIPETTOPETTYPEWEEPEWITPEYSEPHAGEPHANGPHAREPHARMPHASEPHEERPHENEPHEONPHESEPHIALPHLOXPHOCAPHONEPHONOPHONSPHONYPHOTOPHOTSPHPHTPHUTSPHYLAPHYLEPIANIPIANOPIANSPIBALPICALPICASPICCYPICKSPICKYPICOTPICRAPICULPIECEPIENDPIERSPIERTPIETAPIETSPIETYPIEZOPIGGYPIGHTPIGMYPIINGPIKASPIKAUPIKEDPIKERPIKESPIKEYPIKISPIKULPILAFPILAOPILARPILAUPILAWPILCHPILEAPILEDPILEIPILERPILESPILISPILLSPILOTPILOWPILUMPILUSPIMASPIMPSPINASPINCHPINEDPINESPINEYPINGOPINGSPINKOPINKSPINKYPINNAPINNYPINONPINOTPINTAPINTOPINTSPINUPPIONSPIONYPIOUSPIOYEPIOYSPIPALPIPASPIPEDPIPERPIPESPIPETPIPISPIPITPIPPYPIPULPIQUEPIRAIPIRLSPIRNSPIROGPISCOPISESPISKYPISOSPISTEPITASPITCHPITHSPITHYPITONPITTAPIUMSPIVOTPIXELPIXESPIXIEPIZEDPIZESPIZZAPLAASPLACEPLACKPLAGEPLAIDPLAINPLAITPLANEPLANKPLANSPLANTPLAPSPLASHPLASMPLASTPLATEPLATSPLATYPLAYAPLAYSPLAZAPLEADPLEASPLEATPLEBEPLEBSPLENAPLEONPLESHPLEWSPLICAPLIEDPLIERPLIESPLIMSPLINGPLINKPLOATPLODSPLONGPLONKPLOOKPLOPSPLOTSPLOTZPLOUKPLOWSPLOYSPLUCKPLUESPLUFFPLUGSPLUMBPLUMEPLUMPPLUMSPLUMYPLUNKPLUSHPLYERPOACHPOAKAPOAKEPOBOYPOCKSPOCKYPODALPODDYPODEXPODGEPODGYPODIAPOEMSPOEPSPOESYPOETSPOGEYPOGGEPOGOSPOILUPOINDPOINTPOISEPOKALPOKEDPOKERPOKESPOKEYPOKIEPOLARPOLEDPOLERPOLESPOLEYPOLIOPOLISPOLJEPOLKAPOLKSPOLLSPOLLYPOLOSPOLTSPOLYPPOLYSPOMBEPOMESPOMMYPOMOSPOMPSPONCEPONCYPONDSPONESPONEYPONGAPONGOPONGSPONGYPONKSPONTSPONTYPONZUPOOCHPOODSPOOHSPOOJAPOOKAPOOKSPOOLSPOONSPOOPSPOORIPOORTPOOTSPOOVEPOOVYPOPESPOPPAPOPPYPOPSYPORAEPORALPORCHPOREDPORERPORESPORGEPORGYPORKSPORKYPORTAPORTSPORTYPOSEDPOSERPOSESPOSEYPOSHOPOSITPOSSEPOSTSPOTAEPOTCHPOTEDPOTESPOTINPOTOOPOTSYPOTTOPOTTSPOTTYPOUCHPOUFFPOUFSPOUKEPOUKSPOULEPOULPPOULTPOUNDPOUPEPOUPTPOURSPOUTSPOUTYPOWANPOWERPOWINPOWNDPOWNSPOWNYPOWREPOXEDPOXESPOYNTPOYOUPOYSEPOZZYPRAAMPRADSPRAHUPRAMSPRANAPRANGPRANKPRAOSPRASEPRATEPRATSPRATTPRATYPRAUSPRAWNPRAYSPREDYPREEDPREENPREESPREIFPREMSPREMYPRENTPREONPREOPPREPSPRESAPRESEPRESSPRESTPREVEPREXYPREYSPRIALPRICEPRICYPRIDEPRIEDPRIEFPRIERPRIESPRIGSPRILLPRIMAPRIMEPRIMIPRIMOPRIMPPRIMSPRIMYPRINKPRINTPRIONPRIORPRISEPRISMPRISSPRIVYPRIZEPROASPROBEPROBSPRODSPROEMPROFSPROGSPROINPROKEPROLEPROLLPROMOPROMSPRONEPRONGPRONKPROOFPROPSPROREPROSEPROSOPROSSPROSTPROSYPROTOPROUDPROULPROVEPROWLPROWSPROXYPROYNPRUDEPRUNEPRUNTPRUTAPRYERPRYSEPSALMPSEUDPSHAWPSIONPSOAEPSOAIPSOASPSORAPSYCHPSYOPPUBCOPUBICPUBISPUCANPUCERPUCESPUCKAPUCKSPUDDYPUDGEPUDGYPUDICPUDORPUDSYPUDUSPUERSPUFFSPUFFYPUGGYPUGILPUHASPUJAHPUJASPUKASPUKEDPUKERPUKESPUKEYPUKKAPUKUSPULAOPULASPULEDPULERPULESPULIKPULISPULKAPULKSPULLIPULLSPULMOPULPSPULPYPULSEPULUSPUMASPUMIEPUMPSPUNASPUNCEPUNCHPUNGAPUNGSPUNJIPUNKAPUNKSPUNKYPUNNYPUNTOPUNTSPUNTYPUPAEPUPALPUPASPUPILPUPPYPUPUSPURDAPUREDPUREEPURERPURESPURGEPURINPURISPURLSPURPYPURRSPURSEPURSYPURTYPUSESPUSHYPUSLEPUTIDPUTONPUTTIPUTTOPUTTSPUTTYPUZELPYATSPYETSPYGALPYGMYPYINSPYLONPYNEDPYNESPYOIDPYOTSPYRALPYRANPYRESPYREXPYRICPYROSPYXEDPYXESPYXIEPYXISPZAZZ