prowls rpowls porwls oprwls ropwls orpwls prwols rpwols pwrols wprols rwpols wrpols powrls opwrls pworls wporls owprls woprls rowpls orwpls rwopls wropls owrpls worpls prolws rpolws porlws oprlws roplws orplws prlows rplows plrows lprows rlpows lrpows polrws oplrws plorws lporws olprws loprws rolpws orlpws rlopws lropws olrpws lorpws prwlos rpwlos pwrlos wprlos rwplos wrplos prlwos rplwos plrwos lprwos rlpwos lrpwos pwlros wplros plwros lpwros wlpros lwpros rwlpos wrlpos rlwpos lrwpos wlrpos lwrpos powlrs opwlrs pwolrs wpolrs owplrs woplrs polwrs oplwrs plowrs lpowrs olpwrs lopwrs pwlors wplors plwors lpwors wlpors lwpors owlprs wolprs olwprs lowprs wloprs lwoprs rowlps orwlps rwolps wrolps owrlps worlps rolwps orlwps rlowps lrowps olrwps lorwps rwlops wrlops rlwops lrwops wlrops lwrops owlrps wolrps olwrps lowrps wlorps lworps prowsl rpowsl porwsl oprwsl ropwsl orpwsl prwosl rpwosl pwrosl wprosl rwposl wrposl powrsl opwrsl pworsl wporsl owprsl woprsl rowpsl orwpsl rwopsl wropsl owrpsl worpsl proswl rposwl porswl oprswl ropswl orpswl prsowl rpsowl psrowl sprowl rspowl srpowl posrwl opsrwl psorwl sporwl osprwl soprwl rospwl orspwl rsopwl sropwl osrpwl sorpwl prwsol rpwsol pwrsol wprsol rwpsol wrpsol prswol rpswol psrwol sprwol rspwol srpwol pwsrol wpsrol pswrol spwrol wsprol swprol rwspol wrspol rswpol srwpol wsrpol swrpol powsrl opwsrl pwosrl wposrl owpsrl wopsrl poswrl opswrl psowrl spowrl ospwrl sopwrl pwsorl wpsorl psworl spworl wsporl swporl owsprl wosprl oswprl sowprl wsoprl swoprl rowspl orwspl rwospl wrospl owrspl worspl roswpl orswpl rsowpl srowpl osrwpl sorwpl rwsopl wrsopl rswopl srwopl wsropl swropl owsrpl wosrpl oswrpl sowrpl wsorpl sworpl prolsw rpolsw porlsw oprlsw roplsw orplsw prlosw rplosw plrosw lprosw rlposw lrposw polrsw oplrsw plorsw lporsw olprsw loprsw rolpsw orlpsw rlopsw lropsw olrpsw lorpsw proslw rposlw porslw oprslw ropslw orpslw prsolw rpsolw psrolw sprolw rspolw srpolw posrlw opsrlw psorlw sporlw osprlw soprlw rosplw orsplw rsoplw sroplw osrplw sorplw prlsow rplsow plrsow lprsow rlpsow lrpsow prslow rpslow psrlow sprlow rsplow srplow plsrow lpsrow pslrow splrow lsprow slprow rlspow lrspow rslpow srlpow lsrpow slrpow polsrw oplsrw plosrw lposrw olpsrw lopsrw poslrw opslrw psolrw spolrw osplrw soplrw plsorw lpsorw pslorw splorw lsporw slporw olsprw losprw oslprw solprw lsoprw sloprw rolspw orlspw rlospw lrospw olrspw lorspw roslpw orslpw rsolpw srolpw osrlpw sorlpw rlsopw lrsopw rslopw srlopw lsropw slropw olsrpw losrpw oslrpw solrpw lsorpw slorpw prwlso rpwlso pwrlso wprlso rwplso wrplso prlwso rplwso plrwso lprwso rlpwso lrpwso pwlrso wplrso plwrso lpwrso wlprso lwprso rwlpso wrlpso rlwpso lrwpso wlrpso lwrpso prwslo rpwslo pwrslo wprslo rwpslo wrpslo prswlo rpswlo psrwlo sprwlo rspwlo srpwlo pwsrlo wpsrlo pswrlo spwrlo wsprlo swprlo rwsplo wrsplo rswplo srwplo wsrplo swrplo prlswo rplswo plrswo lprswo rlpswo lrpswo prslwo rpslwo psrlwo sprlwo rsplwo srplwo plsrwo lpsrwo pslrwo splrwo lsprwo slprwo rlspwo lrspwo rslpwo srlpwo lsrpwo slrpwo pwlsro wplsro plwsro lpwsro wlpsro lwpsro pwslro wpslro pswlro spwlro wsplro swplro plswro lpswro pslwro splwro lspwro slpwro wlspro lwspro wslpro swlpro lswpro slwpro rwlspo wrlspo rlwspo lrwspo wlrspo lwrspo rwslpo wrslpo rswlpo srwlpo wsrlpo swrlpo rlswpo lrswpo rslwpo srlwpo lsrwpo slrwpo wlsrpo lwsrpo wslrpo swlrpo lswrpo slwrpo powlsr opwlsr pwolsr wpolsr owplsr woplsr polwsr oplwsr plowsr lpowsr olpwsr lopwsr pwlosr wplosr plwosr lpwosr wlposr lwposr owlpsr wolpsr olwpsr lowpsr wlopsr lwopsr powslr opwslr pwoslr wposlr owpslr wopslr poswlr opswlr psowlr spowlr ospwlr sopwlr pwsolr wpsolr pswolr spwolr wspolr swpolr owsplr wosplr oswplr sowplr wsoplr swoplr polswr oplswr ploswr lposwr olpswr lopswr poslwr opslwr psolwr spolwr osplwr soplwr plsowr lpsowr pslowr splowr lspowr slpowr olspwr lospwr oslpwr solpwr lsopwr slopwr pwlsor wplsor plwsor lpwsor wlpsor lwpsor pwslor wpslor pswlor spwlor wsplor swplor plswor lpswor pslwor splwor lspwor slpwor wlspor lwspor wslpor swlpor lswpor slwpor owlspr wolspr olwspr lowspr wlospr lwospr owslpr woslpr oswlpr sowlpr wsolpr swolpr olswpr loswpr oslwpr solwpr lsowpr slowpr wlsopr lwsopr wslopr swlopr lswopr slwopr rowlsp orwlsp rwolsp wrolsp owrlsp worlsp rolwsp orlwsp rlowsp lrowsp olrwsp lorwsp rwlosp wrlosp rlwosp lrwosp wlrosp lwrosp owlrsp wolrsp olwrsp lowrsp wlorsp lworsp rowslp orwslp rwoslp wroslp owrslp worslp roswlp orswlp rsowlp srowlp osrwlp sorwlp rwsolp wrsolp rswolp srwolp wsrolp swrolp owsrlp wosrlp oswrlp sowrlp wsorlp sworlp rolswp orlswp rloswp lroswp olrswp lorswp roslwp orslwp rsolwp srolwp osrlwp sorlwp rlsowp lrsowp rslowp srlowp lsrowp slrowp olsrwp losrwp oslrwp solrwp lsorwp slorwp rwlsop wrlsop rlwsop lrwsop wlrsop lwrsop rwslop wrslop rswlop srwlop wsrlop swrlop rlswop lrswop rslwop srlwop lsrwop slrwop wlsrop lwsrop wslrop swlrop lswrop slwrop owlsrp wolsrp olwsrp lowsrp wlosrp lwosrp owslrp woslrp oswlrp sowlrp wsolrp swolrp olswrp loswrp oslwrp solwrp lsowrp slowrp wlsorp lwsorp wslorp swlorp lsworp slworp
Note: these 'words' (valid or invalid) are all the permutations of the word prowls. These words are obtained by scrambling the letters in prowls.