rinser irnser rniser nriser inrser nirser risner irsner rsiner sriner isrner sirner rnsier nrsier rsnier srnier nsrier snrier insrer nisrer isnrer sinrer nsirer snirer rinesr irnesr rniesr nriesr inresr niresr riensr irensr reinsr erinsr iernsr eirnsr rneisr nreisr renisr ernisr nerisr enrisr inersr niersr ienrsr einrsr neirsr enirsr risenr irsenr rsienr srienr isrenr sirenr riesnr iresnr reisnr erisnr iersnr eirsnr rseinr sreinr resinr ersinr serinr esrinr isernr siernr iesrnr eisrnr seirnr esirnr rnseir nrseir rsneir srneir nsreir snreir rnesir nresir rensir ernsir nersir enrsir rsenir srenir resnir ersnir sernir esrnir nserir snerir nesrir ensrir senrir esnrir inserr niserr isnerr sinerr nsierr snierr inesrr niesrr iensrr einsrr neisrr enisrr isenrr sienrr iesnrr eisnrr seinrr esinrr nseirr sneirr nesirr ensirr senirr esnirr rinsre irnsre rnisre nrisre inrsre nirsre risnre irsnre rsinre srinre isrnre sirnre rnsire nrsire rsnire srnire nsrire snrire insrre nisrre isnrre sinrre nsirre snirre rinrse irnrse rnirse nrirse inrrse nirrse rirnse irrnse rrinse rrinse irrnse rirnse rnrise nrrise rrnise rrnise nrrise rnrise inrrse nirrse irnrse rinrse nrirse rnirse risrne irsrne rsirne srirne isrrne sirrne rirsne irrsne rrisne rrisne irrsne rirsne rsrine srrine rrsine rrsine srrine rsrine isrrne sirrne irsrne risrne srirne rsirne rnsrie nrsrie rsnrie srnrie nsrrie snrrie rnrsie nrrsie rrnsie rrnsie nrrsie rnrsie rsrnie srrnie rrsnie rrsnie srrnie rsrnie nsrrie snrrie nrsrie rnsrie srnrie rsnrie insrre nisrre isnrre sinrre nsirre snirre inrsre nirsre irnsre rinsre nrisre rnisre isrnre sirnre irsnre risnre srinre rsinre nsrire snrire nrsire rnsire srnire rsnire riners irners rniers nriers inrers nirers rienrs irenrs reinrs erinrs iernrs eirnrs rneirs nreirs renirs ernirs nerirs enrirs inerrs nierrs ienrrs einrrs neirrs enirrs rinres irnres rnires nrires inrres nirres rirnes irrnes rrines rrines irrnes rirnes rnries nrries rrnies rrnies nrries rnries inrres nirres irnres rinres nrires rnires rierns irerns reirns erirns ierrns eirrns rirens irrens rriens rriens irrens rirens rerins errins rreins rreins errins rerins ierrns eirrns irerns rierns erirns reirns rneris nreris renris ernris nerris enrris rnreis nrreis rrneis rrneis nrreis rnreis rernis errnis rrenis rrenis errnis rernis nerris enrris nreris rneris ernris renris inerrs nierrs ienrrs einrrs neirrs enirrs inrers nirers irners riners nriers rniers iernrs eirnrs irenrs rienrs erinrs reinrs nerirs enrirs nreirs rneirs ernirs renirs risern irsern rsiern sriern isrern sirern riesrn iresrn reisrn erisrn iersrn eirsrn rseirn sreirn resirn ersirn serirn esrirn iserrn sierrn iesrrn eisrrn seirrn esirrn risren irsren rsiren sriren isrren sirren rirsen irrsen rrisen rrisen irrsen rirsen rsrien srrien rrsien rrsien srrien rsrien isrren sirren irsren risren sriren rsiren riersn irersn reirsn erirsn ierrsn eirrsn riresn irresn rriesn rriesn irresn riresn rerisn errisn rreisn rreisn errisn rerisn ierrsn eirrsn irersn riersn erirsn reirsn rserin srerin resrin ersrin serrin esrrin rsrein srrein rrsein rrsein srrein rsrein rersin errsin rresin rresin errsin rersin serrin esrrin srerin rserin ersrin resrin iserrn sierrn iesrrn eisrrn seirrn esirrn isrern sirern irsern risern sriern rsiern iersrn eirsrn iresrn riesrn erisrn reisrn serirn esrirn sreirn rseirn ersirn resirn rnseri nrseri rsneri srneri nsreri snreri rnesri nresri rensri ernsri nersri enrsri rsenri srenri resnri ersnri sernri esrnri nserri snerri nesrri ensrri senrri esnrri rnsrei nrsrei rsnrei srnrei nsrrei snrrei rnrsei nrrsei rrnsei rrnsei nrrsei rnrsei rsrnei srrnei rrsnei rrsnei srrnei rsrnei nsrrei snrrei nrsrei rnsrei srnrei rsnrei rnersi nrersi renrsi ernrsi nerrsi enrrsi rnresi nrresi rrnesi rrnesi nrresi rnresi rernsi errnsi rrensi rrensi errnsi rernsi nerrsi enrrsi nrersi rnersi ernrsi renrsi rserni srerni resrni ersrni serrni esrrni rsreni srreni rrseni rrseni srreni rsreni rersni errsni rresni rresni errsni rersni serrni esrrni srerni rserni ersrni resrni nserri snerri nesrri ensrri senrri esnrri nsreri snreri nrseri rnseri srneri rsneri nersri enrsri nresri rnesri ernsri rensri sernri esrnri srenri rsenri ersnri resnri inserr niserr isnerr sinerr nsierr snierr inesrr niesrr iensrr einsrr neisrr enisrr isenrr sienrr iesnrr eisnrr seinrr esinrr nseirr sneirr nesirr ensirr senirr esnirr insrer nisrer isnrer sinrer nsirer snirer inrser nirser irnser rinser nriser rniser isrner sirner irsner risner sriner rsiner nsrier snrier nrsier rnsier srnier rsnier inersr niersr ienrsr einrsr neirsr enirsr inresr niresr irnesr rinesr nriesr rniesr iernsr eirnsr irensr riensr erinsr reinsr nerisr enrisr nreisr rneisr ernisr renisr isernr siernr iesrnr eisrnr seirnr esirnr isrenr sirenr irsenr risenr srienr rsienr iersnr eirsnr iresnr riesnr erisnr reisnr serinr esrinr sreinr rseinr ersinr resinr nserir snerir nesrir ensrir senrir esnrir nsreir snreir nrseir rnseir srneir rsneir nersir enrsir nresir rnesir ernsir rensir sernir esrnir srenir rsenir ersnir resnir
Note: these 'words' (valid or invalid) are all the permutations of the word rinser. These words are obtained by scrambling the letters in rinser.