ricers ircers rciers criers icrers cirers riecrs irecrs reicrs ericrs iercrs eircrs rceirs creirs recirs ercirs cerirs ecrirs icerrs cierrs iecrrs eicrrs ceirrs ecirrs ricres ircres rcires crires icrres cirres rirces irrces rrices rrices irrces rirces rcries crries rrcies rrcies crries rcries icrres cirres ircres ricres crires rcires riercs irercs reircs erircs ierrcs eirrcs rirecs irrecs rriecs rriecs irrecs rirecs rerics errics rreics rreics errics rerics ierrcs eirrcs irercs riercs erircs reircs rceris creris recris ercris cerris ecrris rcreis crreis rrceis rrceis crreis rcreis rercis errcis rrecis rrecis errcis rercis cerris ecrris creris rceris ercris recris icerrs cierrs iecrrs eicrrs ceirrs ecirrs icrers cirers ircers ricers criers rciers iercrs eircrs irecrs riecrs ericrs reicrs cerirs ecrirs creirs rceirs ercirs recirs ricesr ircesr rciesr criesr icresr ciresr riecsr irecsr reicsr ericsr iercsr eircsr rceisr creisr recisr ercisr cerisr ecrisr icersr ciersr iecrsr eicrsr ceirsr ecirsr ricser ircser rciser criser icrser cirser riscer irscer rsicer sricer isrcer sircer rcsier crsier rscier srcier csrier scrier icsrer cisrer iscrer sicrer csirer scirer riescr irescr reiscr eriscr ierscr eirscr risecr irsecr rsiecr sriecr isrecr sirecr resicr ersicr rseicr sreicr esricr sericr iesrcr eisrcr isercr siercr esircr seircr rcesir cresir recsir ercsir cersir ecrsir rcseir crseir rsceir srceir csreir screir rescir erscir rsecir srecir esrcir sercir cesrir ecsrir cserir scerir escrir secrir icesrr ciesrr iecsrr eicsrr ceisrr ecisrr icserr ciserr iscerr sicerr csierr scierr iescrr eiscrr isecrr siecrr esicrr seicrr cesirr ecsirr cseirr sceirr escirr secirr ricrse ircrse rcirse crirse icrrse cirrse rircse irrcse rricse rricse irrcse rircse rcrise crrise rrcise rrcise crrise rcrise icrrse cirrse ircrse ricrse crirse rcirse ricsre ircsre rcisre crisre icrsre cirsre riscre irscre rsicre sricre isrcre sircre rcsire crsire rscire srcire csrire scrire icsrre cisrre iscrre sicrre csirre scirre rirsce irrsce rrisce rrisce irrsce rirsce risrce irsrce rsirce srirce isrrce sirrce rrsice rrsice rsrice srrice rsrice srrice irsrce risrce isrrce sirrce rsirce srirce rcrsie crrsie rrcsie rrcsie crrsie rcrsie rcsrie crsrie rscrie srcrie csrrie scrrie rrscie rrscie rsrcie srrcie rsrcie srrcie crsrie rcsrie csrrie scrrie rscrie srcrie icrsre cirsre ircsre ricsre crisre rcisre icsrre cisrre iscrre sicrre csirre scirre irscre riscre isrcre sircre rsicre sricre crsire rcsire csrire scrire rscire srcire riersc irersc reirsc erirsc ierrsc eirrsc riresc irresc rriesc rriesc irresc riresc rerisc errisc rreisc rreisc errisc rerisc ierrsc eirrsc irersc riersc erirsc reirsc riesrc iresrc reisrc erisrc iersrc eirsrc riserc irserc rsierc srierc isrerc sirerc resirc ersirc rseirc sreirc esrirc serirc iesrrc eisrrc iserrc sierrc esirrc seirrc rirsec irrsec rrisec rrisec irrsec rirsec risrec irsrec rsirec srirec isrrec sirrec rrsiec rrsiec rsriec srriec rsriec srriec irsrec risrec isrrec sirrec rsirec srirec rersic errsic rresic rresic errsic rersic resric ersric rseric sreric esrric serric rrseic rrseic rsreic srreic rsreic srreic ersric resric esrric serric rseric sreric iersrc eirsrc iresrc riesrc erisrc reisrc iesrrc eisrrc iserrc sierrc esirrc seirrc irserc riserc isrerc sirerc rsierc srierc ersirc resirc esrirc serirc rseirc sreirc rcersi crersi recrsi ercrsi cerrsi ecrrsi rcresi crresi rrcesi rrcesi crresi rcresi rercsi errcsi rrecsi rrecsi errcsi rercsi cerrsi ecrrsi crersi rcersi ercrsi recrsi rcesri cresri recsri ercsri cersri ecrsri rcseri crseri rsceri srceri csreri screri rescri erscri rsecri srecri esrcri sercri cesrri ecsrri cserri scerri escrri secrri rcrsei crrsei rrcsei rrcsei crrsei rcrsei rcsrei crsrei rscrei srcrei csrrei scrrei rrscei rrscei rsrcei srrcei rsrcei srrcei crsrei rcsrei csrrei scrrei rscrei srcrei rersci errsci rresci rresci errsci rersci resrci ersrci rserci srerci esrrci serrci rrseci rrseci rsreci srreci rsreci srreci ersrci resrci esrrci serrci rserci srerci cersri ecrsri cresri rcesri ercsri recsri cesrri ecsrri cserri scerri escrri secrri crseri rcseri csreri screri rsceri srceri erscri rescri esrcri sercri rsecri srecri icersr ciersr iecrsr eicrsr ceirsr ecirsr icresr ciresr ircesr ricesr criesr rciesr iercsr eircsr irecsr riecsr ericsr reicsr cerisr ecrisr creisr rceisr ercisr recisr icesrr ciesrr iecsrr eicsrr ceisrr ecisrr icserr ciserr iscerr sicerr csierr scierr iescrr eiscrr isecrr siecrr esicrr seicrr cesirr ecsirr cseirr sceirr escirr secirr icrser cirser ircser ricser criser rciser icsrer cisrer iscrer sicrer csirer scirer irscer riscer isrcer sircer rsicer sricer crsier rcsier csrier scrier rscier srcier ierscr eirscr irescr riescr eriscr reiscr iesrcr eisrcr isercr siercr esircr seircr irsecr risecr isrecr sirecr rsiecr sriecr ersicr resicr esricr sericr rseicr sreicr cersir ecrsir cresir rcesir ercsir recsir cesrir ecsrir cserir scerir escrir secrir crseir rcseir csreir screir rsceir srceir erscir rescir esrcir sercir rsecir srecir
Note: these 'words' (valid or invalid) are all the permutations of the word ricers. These words are obtained by scrambling the letters in ricers.