paires apires piares ipares aipres iapres paries apries praies rpaies arpies rapies piraes ipraes priaes rpiaes irpaes ripaes airpes iarpes aripes raipes irapes riapes paiers apiers piaers ipaers aipers iapers paeirs apeirs peairs epairs aepirs eapirs piears ipears peiars epiars iepars eipars aieprs iaeprs aeiprs eaiprs ieaprs eiaprs pareis apreis praeis rpaeis arpeis rapeis paeris aperis pearis eparis aepris eapris preais rpeais perais eprais repais erpais arepis raepis aerpis earpis reapis erapis pireas ipreas prieas rpieas irpeas ripeas pieras iperas peiras epiras iepras eipras preias rpeias perias eprias repias erpias irepas riepas ierpas eirpas reipas eripas aireps iareps arieps raieps iraeps riaeps aierps iaerps aeirps eairps iearps eiarps areips raeips aerips earips reaips eraips ireaps rieaps ieraps eiraps reiaps eriaps pairse apirse piarse iparse aiprse iaprse parise aprise praise rpaise arpise rapise pirase iprase priase rpiase irpase ripase airpse iarpse aripse raipse irapse riapse paisre apisre piasre ipasre aipsre iapsre pasire apsire psaire spaire aspire sapire pisare ipsare psiare spiare ispare sipare aispre iaspre asipre saipre isapre siapre parsie aprsie prasie rpasie arpsie rapsie pasrie apsrie psarie sparie asprie saprie prsaie rpsaie psraie spraie rspaie srpaie arspie raspie asrpie sarpie rsapie srapie pirsae iprsae prisae rpisae irpsae ripsae pisrae ipsrae psirae spirae isprae siprae prsiae rpsiae psriae spriae rspiae srpiae irspae rispae isrpae sirpae rsipae sripae airspe iarspe arispe raispe iraspe riaspe aisrpe iasrpe asirpe sairpe isarpe siarpe arsipe rasipe asripe saripe rsaipe sraipe irsape risape isrape sirape rsiape sriape paiesr apiesr piaesr ipaesr aipesr iapesr paeisr apeisr peaisr epaisr aepisr eapisr pieasr ipeasr peiasr epiasr iepasr eipasr aiepsr iaepsr aeipsr eaipsr ieapsr eiapsr paiser apiser piaser ipaser aipser iapser pasier apsier psaier spaier aspier sapier pisaer ipsaer psiaer spiaer ispaer sipaer aisper iasper asiper saiper isaper siaper paesir apesir peasir epasir aepsir eapsir paseir apseir psaeir spaeir aspeir sapeir pesair epsair pseair speair espair sepair aespir easpir asepir saepir esapir seapir piesar ipesar peisar episar iepsar eipsar pisear ipsear psiear spiear ispear sipear pesiar epsiar pseiar speiar espiar sepiar iespar eispar isepar siepar esipar seipar aiespr iaespr aeispr eaispr ieaspr eiaspr aisepr iasepr asiepr saiepr isaepr siaepr aesipr easipr aseipr saeipr esaipr seaipr iesapr eisapr iseapr sieapr esiapr seiapr paresi apresi praesi rpaesi arpesi rapesi paersi apersi pearsi eparsi aeprsi eaprsi preasi rpeasi perasi eprasi repasi erpasi arepsi raepsi aerpsi earpsi reapsi erapsi parsei aprsei prasei rpasei arpsei rapsei pasrei apsrei psarei sparei asprei saprei prsaei rpsaei psraei spraei rspaei srpaei arspei raspei asrpei sarpei rsapei srapei paesri apesri peasri epasri aepsri eapsri paseri apseri psaeri spaeri asperi saperi pesari epsari pseari speari espari separi aespri easpri asepri saepri esapri seapri presai rpesai persai eprsai repsai erpsai prseai rpseai psreai spreai rspeai srpeai pesrai epsrai pserai sperai esprai seprai respai erspai rsepai srepai esrpai serpai arespi raespi aerspi earspi reaspi eraspi arsepi rasepi asrepi sarepi rsaepi sraepi aesrpi easrpi aserpi saerpi esarpi searpi resapi ersapi rseapi sreapi esrapi serapi piresa ipresa priesa rpiesa irpesa ripesa piersa ipersa peirsa epirsa ieprsa eiprsa preisa rpeisa perisa eprisa repisa erpisa irepsa riepsa ierpsa eirpsa reipsa eripsa pirsea iprsea prisea rpisea irpsea ripsea pisrea ipsrea psirea spirea isprea siprea prsiea rpsiea psriea spriea rspiea srpiea irspea rispea isrpea sirpea rsipea sripea piesra ipesra peisra episra iepsra eipsra pisera ipsera psiera spiera ispera sipera pesira epsira pseira speira espira sepira iespra eispra isepra siepra esipra seipra presia rpesia persia eprsia repsia erpsia prseia rpseia psreia spreia rspeia srpeia pesria epsria pseria speria espria sepria respia erspia rsepia srepia esrpia serpia irespa riespa ierspa eirspa reispa erispa irsepa risepa isrepa sirepa rsiepa sriepa iesrpa eisrpa iserpa sierpa esirpa seirpa resipa ersipa rseipa sreipa esripa seripa airesp iaresp ariesp raiesp iraesp riaesp aiersp iaersp aeirsp eairsp iearsp eiarsp areisp raeisp aerisp earisp reaisp eraisp ireasp rieasp ierasp eirasp reiasp eriasp airsep iarsep arisep raisep irasep riasep aisrep iasrep asirep sairep isarep siarep arsiep rasiep asriep sariep rsaiep sraiep irsaep risaep israep siraep rsiaep sriaep aiesrp iaesrp aeisrp eaisrp ieasrp eiasrp aiserp iaserp asierp saierp isaerp siaerp aesirp easirp aseirp saeirp esairp seairp iesarp eisarp isearp siearp esiarp seiarp aresip raesip aersip earsip reasip erasip arseip raseip asreip sareip rsaeip sraeip aesrip easrip aserip saerip esarip searip resaip ersaip rseaip sreaip esraip seraip iresap riesap iersap eirsap reisap erisap irseap riseap isreap sireap rsieap srieap iesrap eisrap iserap sierap esirap seirap resiap ersiap rseiap sreiap esriap seriap
Note: these 'words' (valid or invalid) are all the permutations of the word paires. These words are obtained by scrambling the letters in paires.