Permutations For NIP USR

Here are all the permutations for the letters NIP USR.

nip usr nip urs nip sur nip sru nip rus nip rsu nipu sr nipu rs nipus r nipusr nipur s nipurs nips ur nips ru nipsu r nipsur nipsr u nipsru nipr us nipr su nipru s niprus niprs u niprsu ni pusr ni purs ni psur ni psru ni prus ni prsu ni upsr ni uprs ni uspr ni usrp ni urps ni ursp ni spur ni spru ni supr ni surp ni srpu ni srup ni rpus ni rpsu ni rups ni rusp ni rspu ni rsup niup sr niup rs niups r niupsr niupr s niuprs niu psr niu prs niu spr niu srp niu rps niu rsp niusp r niuspr nius pr nius rp niusrp niusr p niurp s niurps niur ps niur sp niursp niurs p nisp ur nisp ru nispu r nispur nispr u nispru nis pur nis pru nis upr nis urp nis rpu nis rup nisup r nisupr nisu pr nisu rp nisurp nisur p nisrp u nisrpu nisr pu nisr up nisrup nisru p nirp us nirp su nirpu s nirpus nirps u nirpsu nir pus nir psu nir ups nir usp nir spu nir sup nirup s nirups niru ps niru sp nirusp nirus p nirsp u nirspu nirs pu nirs up nirsup nirsu p npi usr npi urs npi sur npi sru npi rus npi rsu npiu sr npiu rs npius r npiusr npiur s npiurs npis ur npis ru npisu r npisur npisr u npisru npir us npir su npiru s npirus npirs u npirsu np iusr np iurs np isur np isru np irus np irsu np uisr np uirs np usir np usri np uris np ursi np siur np siru np suir np suri np sriu np srui np rius np risu np ruis np rusi np rsiu np rsui npui sr npui rs npuis r npuisr npuir s npuirs npu isr npu irs npu sir npu sri npu ris npu rsi npusi r npusir npus ir npus ri npusri npusr i npuri s npuris npur is npur si npursi npurs i npsi ur npsi ru npsiu r npsiur npsir u npsiru nps iur nps iru nps uir nps uri nps riu nps rui npsui r npsuir npsu ir npsu ri npsuri npsur i npsri u npsriu npsr iu npsr ui npsrui npsru i npri us npri su npriu s nprius npris u nprisu npr ius npr isu npr uis npr usi npr siu npr sui nprui s npruis npru is npru si nprusi nprus i nprsi u nprsiu nprs iu nprs ui nprsui nprsu i n ipusr n ipurs n ipsur n ipsru n iprus n iprsu n iupsr n iuprs n iuspr n iusrp n iurps n iursp n ispur n ispru n isupr n isurp n isrpu n isrup n irpus n irpsu n irups n irusp n irspu n irsup n piusr n piurs n pisur n pisru n pirus n pirsu n puisr n puirs n pusir n pusri n puris n pursi n psiur n psiru n psuir n psuri n psriu n psrui n prius n prisu n pruis n prusi n prsiu n prsui n uipsr n uiprs n uispr n uisrp n uirps n uirsp n upisr n upirs n upsir n upsri n upris n uprsi