scrubs csrubs srcubs rscubs crsubs rcsubs scurbs csurbs sucrbs uscrbs cusrbs ucsrbs srucbs rsucbs surcbs usrcbs ruscbs urscbs crusbs rcusbs cursbs ucrsbs rucsbs urcsbs scrbus csrbus srcbus rscbus crsbus rcsbus scbrus csbrus sbcrus bscrus cbsrus bcsrus srbcus rsbcus sbrcus bsrcus rbscus brscus crbsus rcbsus cbrsus bcrsus rbcsus brcsus scubrs csubrs sucbrs uscbrs cusbrs ucsbrs scburs csburs sbcurs bscurs cbsurs bcsurs subcrs usbcrs sbucrs bsucrs ubscrs buscrs cubsrs ucbsrs cbusrs bcusrs ubcsrs bucsrs srubcs rsubcs surbcs usrbcs rusbcs ursbcs srbucs rsbucs sbrucs bsrucs rbsucs brsucs subrcs usbrcs sburcs bsurcs ubsrcs busrcs rubscs urbscs rbuscs bruscs ubrscs burscs crubss rcubss curbss ucrbss rucbss urcbss crbuss rcbuss cbruss bcruss rbcuss brcuss cubrss ucbrss cburss bcurss ubcrss bucrss rubcss urbcss rbucss brucss ubrcss burcss scrusb csrusb srcusb rscusb crsusb rcsusb scursb csursb sucrsb uscrsb cusrsb ucsrsb srucsb rsucsb surcsb usrcsb ruscsb urscsb crussb rcussb curssb ucrssb rucssb urcssb scrsub csrsub srcsub rscsub crssub rcssub scsrub cssrub sscrub sscrub cssrub scsrub srscub rsscub ssrcub ssrcub rsscub srscub crssub rcssub csrsub scrsub rscsub srcsub scusrb csusrb sucsrb uscsrb cussrb ucssrb scsurb cssurb sscurb sscurb cssurb scsurb suscrb usscrb ssucrb ssucrb usscrb suscrb cussrb ucssrb csusrb scusrb uscsrb sucsrb sruscb rsuscb surscb usrscb russcb ursscb srsucb rssucb ssrucb ssrucb rssucb srsucb susrcb ussrcb ssurcb ssurcb ussrcb susrcb russcb ursscb rsuscb sruscb usrscb surscb crussb rcussb curssb ucrssb rucssb urcssb crsusb rcsusb csrusb scrusb rscusb srcusb cusrsb ucsrsb csursb scursb uscrsb sucrsb ruscsb urscsb rsucsb srucsb usrcsb surcsb scrbsu csrbsu srcbsu rscbsu crsbsu rcsbsu scbrsu csbrsu sbcrsu bscrsu cbsrsu bcsrsu srbcsu rsbcsu sbrcsu bsrcsu rbscsu brscsu crbssu rcbssu cbrssu bcrssu rbcssu brcssu scrsbu csrsbu srcsbu rscsbu crssbu rcssbu scsrbu cssrbu sscrbu sscrbu cssrbu scsrbu srscbu rsscbu ssrcbu ssrcbu rsscbu srscbu crssbu rcssbu csrsbu scrsbu rscsbu srcsbu scbsru csbsru sbcsru bscsru cbssru bcssru scsbru cssbru sscbru sscbru cssbru scsbru sbscru bsscru ssbcru ssbcru bsscru sbscru cbssru bcssru csbsru scbsru bscsru sbcsru srbscu rsbscu sbrscu bsrscu rbsscu brsscu srsbcu rssbcu ssrbcu ssrbcu rssbcu srsbcu sbsrcu bssrcu ssbrcu ssbrcu bssrcu sbsrcu rbsscu brsscu rsbscu srbscu bsrscu sbrscu crbssu rcbssu cbrssu bcrssu rbcssu brcssu crsbsu rcsbsu csrbsu scrbsu rscbsu srcbsu cbsrsu bcsrsu csbrsu scbrsu bscrsu sbcrsu rbscsu brscsu rsbcsu srbcsu bsrcsu sbrcsu scubsr csubsr sucbsr uscbsr cusbsr ucsbsr scbusr csbusr sbcusr bscusr cbsusr bcsusr subcsr usbcsr sbucsr bsucsr ubscsr buscsr cubssr ucbssr cbussr bcussr ubcssr bucssr scusbr csusbr sucsbr uscsbr cussbr ucssbr scsubr cssubr sscubr sscubr cssubr scsubr suscbr usscbr ssucbr ssucbr usscbr suscbr cussbr ucssbr csusbr scusbr uscsbr sucsbr scbsur csbsur sbcsur bscsur cbssur bcssur scsbur cssbur sscbur sscbur cssbur scsbur sbscur bsscur ssbcur ssbcur bsscur sbscur cbssur bcssur csbsur scbsur bscsur sbcsur subscr usbscr sbuscr bsuscr ubsscr busscr susbcr ussbcr ssubcr ssubcr ussbcr susbcr sbsucr bssucr ssbucr ssbucr bssucr sbsucr ubsscr busscr usbscr subscr bsuscr sbuscr cubssr ucbssr cbussr bcussr ubcssr bucssr cusbsr ucsbsr csubsr scubsr uscbsr sucbsr cbsusr bcsusr csbusr scbusr bscusr sbcusr ubscsr buscsr usbcsr subcsr bsucsr sbucsr srubsc rsubsc surbsc usrbsc rusbsc ursbsc srbusc rsbusc sbrusc bsrusc rbsusc brsusc subrsc usbrsc sbursc bsursc ubsrsc busrsc rubssc urbssc rbussc brussc ubrssc burssc srusbc rsusbc sursbc usrsbc russbc urssbc srsubc rssubc ssrubc ssrubc rssubc srsubc susrbc ussrbc ssurbc ssurbc ussrbc susrbc russbc urssbc rsusbc srusbc usrsbc sursbc srbsuc rsbsuc sbrsuc bsrsuc rbssuc brssuc srsbuc rssbuc ssrbuc ssrbuc rssbuc srsbuc sbsruc bssruc ssbruc ssbruc bssruc sbsruc rbssuc brssuc rsbsuc srbsuc bsrsuc sbrsuc subsrc usbsrc sbusrc bsusrc ubssrc bussrc susbrc ussbrc ssubrc ssubrc ussbrc susbrc sbsurc bssurc ssburc ssburc bssurc sbsurc ubssrc bussrc usbsrc subsrc bsusrc sbusrc rubssc urbssc rbussc brussc ubrssc burssc rusbsc ursbsc rsubsc srubsc usrbsc surbsc rbsusc brsusc rsbusc srbusc bsrusc sbrusc ubsrsc busrsc usbrsc subrsc bsursc sbursc crubss rcubss curbss ucrbss rucbss urcbss crbuss rcbuss cbruss bcruss rbcuss brcuss cubrss ucbrss cburss bcurss ubcrss bucrss rubcss urbcss rbucss brucss ubrcss burcss crusbs rcusbs cursbs ucrsbs rucsbs urcsbs crsubs rcsubs csrubs scrubs rscubs srcubs cusrbs ucsrbs csurbs scurbs uscrbs sucrbs ruscbs urscbs rsucbs srucbs usrcbs surcbs crbsus rcbsus cbrsus bcrsus rbcsus brcsus crsbus rcsbus csrbus scrbus rscbus srcbus cbsrus bcsrus csbrus scbrus bscrus sbcrus rbscus brscus rsbcus srbcus bsrcus sbrcus cubsrs ucbsrs cbusrs bcusrs ubcsrs bucsrs cusbrs ucsbrs csubrs scubrs uscbrs sucbrs cbsurs bcsurs csburs scburs bscurs sbcurs ubscrs buscrs usbcrs subcrs bsucrs sbucrs rubscs urbscs rbuscs bruscs ubrscs burscs rusbcs ursbcs rsubcs srubcs usrbcs surbcs rbsucs brsucs rsbucs srbucs bsrucs sbrucs ubsrcs busrcs usbrcs subrcs bsurcs sburcs
Note: these 'words' (valid or invalid) are all the permutations of the word scrubs. These words are obtained by scrambling the letters in scrubs.