staple tsaple satple astple tasple atsple stpale tspale sptale pstale tpsale ptsale saptle asptle spatle psatle apstle pastle tapsle atpsle tpasle ptasle aptsle patsle stalpe tsalpe satlpe astlpe taslpe atslpe stlape tslape sltape lstape tlsape ltsape saltpe asltpe slatpe lsatpe alstpe lastpe talspe atlspe tlaspe ltaspe altspe latspe stplae tsplae sptlae pstlae tpslae ptslae stlpae tslpae sltpae lstpae tlspae ltspae spltae psltae slptae lsptae plstae lpstae tplsae ptlsae tlpsae ltpsae pltsae lptsae saplte asplte spalte psalte apslte paslte salpte aslpte slapte lsapte alspte laspte splate pslate slpate lspate plsate lpsate aplste palste alpste lapste plaste lpaste taplse atplse tpalse ptalse aptlse patlse talpse atlpse tlapse ltapse altpse latpse tplase ptlase tlpase ltpase pltase lptase apltse paltse alptse laptse platse lpatse stapel tsapel satpel astpel taspel atspel stpael tspael sptael pstael tpsael ptsael saptel asptel spatel psatel apstel pastel tapsel atpsel tpasel ptasel aptsel patsel staepl tsaepl satepl astepl tasepl atsepl steapl tseapl setapl estapl tesapl etsapl saetpl asetpl seatpl esatpl aestpl eastpl taespl atespl teaspl etaspl aetspl eatspl stpeal tspeal spteal psteal tpseal ptseal stepal tsepal setpal estpal tespal etspal spetal psetal septal esptal pestal epstal tpesal ptesal tepsal etpsal petsal eptsal sapetl aspetl spaetl psaetl apsetl pasetl saeptl aseptl seaptl esaptl aesptl easptl speatl pseatl sepatl espatl pesatl epsatl apestl paestl aepstl eapstl peastl epastl tapesl atpesl tpaesl ptaesl aptesl patesl taepsl atepsl teapsl etapsl aetpsl eatpsl tpeasl pteasl tepasl etpasl petasl eptasl apetsl paetsl aeptsl eaptsl peatsl epatsl stalep tsalep satlep astlep taslep atslep stlaep tslaep sltaep lstaep tlsaep ltsaep saltep asltep slatep lsatep alstep lastep talsep atlsep tlasep ltasep altsep latsep staelp tsaelp satelp astelp taselp atselp stealp tsealp setalp estalp tesalp etsalp saetlp asetlp seatlp esatlp aestlp eastlp taeslp ateslp teaslp etaslp aetslp eatslp stleap tsleap slteap lsteap tlseap ltseap stelap tselap setlap estlap teslap etslap sletap lsetap seltap esltap lestap elstap tlesap ltesap telsap etlsap letsap eltsap saletp asletp slaetp lsaetp alsetp lasetp saeltp aseltp sealtp esaltp aesltp easltp sleatp lseatp selatp eslatp lesatp elsatp alestp laestp aelstp ealstp leastp elastp talesp atlesp tlaesp ltaesp altesp latesp taelsp atelsp tealsp etalsp aetlsp eatlsp tleasp lteasp telasp etlasp letasp eltasp aletsp laetsp aeltsp ealtsp leatsp elatsp stplea tsplea sptlea pstlea tpslea ptslea stlpea tslpea sltpea lstpea tlspea ltspea spltea psltea slptea lsptea plstea lpstea tplsea ptlsea tlpsea ltpsea pltsea lptsea stpela tspela sptela pstela tpsela ptsela stepla tsepla setpla estpla tespla etspla spetla psetla septla esptla pestla epstla tpesla ptesla tepsla etpsla petsla eptsla stlepa tslepa sltepa lstepa tlsepa ltsepa stelpa tselpa setlpa estlpa teslpa etslpa sletpa lsetpa seltpa esltpa lestpa elstpa tlespa ltespa telspa etlspa letspa eltspa spleta psleta slpeta lspeta plseta lpseta spelta pselta seplta esplta peslta epslta slepta lsepta selpta eslpta lespta elspta plesta lpesta pelsta eplsta lepsta elpsta tplesa ptlesa tlpesa ltpesa pltesa lptesa tpelsa ptelsa teplsa etplsa petlsa eptlsa tlepsa ltepsa telpsa etlpsa letpsa eltpsa pletsa lpetsa peltsa epltsa leptsa elptsa saplet asplet spalet psalet apslet paslet salpet aslpet slapet lsapet alspet laspet splaet pslaet slpaet lspaet plsaet lpsaet aplset palset alpset lapset plaset lpaset sapelt aspelt spaelt psaelt apselt paselt saeplt aseplt seaplt esaplt aesplt easplt spealt psealt sepalt espalt pesalt epsalt apeslt paeslt aepslt eapslt peaslt epaslt salept aslept slaept lsaept alsept lasept saelpt aselpt sealpt esalpt aeslpt easlpt sleapt lseapt selapt eslapt lesapt elsapt alespt laespt aelspt ealspt leaspt elaspt spleat psleat slpeat lspeat plseat lpseat spelat pselat seplat esplat peslat epslat slepat lsepat selpat eslpat lespat elspat plesat lpesat pelsat eplsat lepsat elpsat aplest palest alpest lapest plaest lpaest apelst paelst aeplst eaplst pealst epalst alepst laepst aelpst ealpst leapst elapst pleast lpeast pelast eplast lepast elpast taples atples tpales ptales aptles patles talpes atlpes tlapes ltapes altpes latpes tplaes ptlaes tlpaes ltpaes pltaes lptaes apltes paltes alptes laptes plates lpates tapels atpels tpaels ptaels aptels patels taepls atepls teapls etapls aetpls eatpls tpeals pteals tepals etpals petals eptals apetls paetls aeptls eaptls peatls epatls taleps atleps tlaeps ltaeps alteps lateps taelps atelps tealps etalps aetlps eatlps tleaps lteaps telaps etlaps letaps eltaps aletps laetps aeltps ealtps leatps elatps tpleas ptleas tlpeas ltpeas plteas lpteas tpelas ptelas teplas etplas petlas eptlas tlepas ltepas telpas etlpas letpas eltpas pletas lpetas peltas epltas leptas elptas aplets palets alpets lapets plaets lpaets apelts paelts aeplts eaplts pealts epalts alepts laepts aelpts ealpts leapts elapts pleats lpeats pelats eplats lepats elpats
Note: these 'words' (valid or invalid) are all the permutations of the word staple. These words are obtained by scrambling the letters in staple.