Permutations For OS NIP

Here are all the permutations for the letters OS NIP.

os nip os npi os inp os ipn os pni os pin osn ip osn pi osni p osnip osnp i osnpi osi np osi pn osin p osinp osip n osipn osp ni osp in ospn i ospni ospi n ospin o snip o snpi o sinp o sipn o spni o spin o nsip o nspi o nisp o nips o npsi o npis o isnp o ispn o insp o inps o ipsn o ipns o psni o psin o pnsi o pnis o pisn o pins ons ip ons pi onsi p onsip onsp i onspi on sip on spi on isp on ips on psi on pis onis p onisp oni sp oni ps onips onip s onps i onpsi onp si onp is onpis onpi s ois np ois pn oisn p oisnp oisp n oispn oi snp oi spn oi nsp oi nps oi psn oi pns oins p oinsp oin sp oin ps oinps oinp s oips n oipsn oip sn oip ns oipns oipn s ops ni ops in opsn i opsni opsi n opsin op sni op sin op nsi op nis op isn op ins opns i opnsi opn si opn is opnis opni s opis n opisn opi sn opi ns opins opin s so nip so npi so inp so ipn so pni so pin son ip son pi soni p sonip sonp i sonpi soi np soi pn soin p soinp soip n soipn sop ni sop in sopn i sopni sopi n sopin s onip s onpi s oinp s oipn s opni s opin s noip s nopi s niop s nipo s npoi s npio s ionp s iopn s inop s inpo s ipon s ipno s poni s poin s pnoi s pnio s pion s pino sno ip sno pi snoi p snoip snop i snopi sn oip sn opi sn iop sn ipo sn poi sn pio snio p sniop sni op sni po snipo snip o snpo i snpoi snp oi snp io snpio snpi o sio np sio pn sion p sionp siop n siopn si onp si opn si nop si npo si pon si pno sino p sinop sin op sin po sinpo sinp o sipo n sipon sip on sip no sipno sipn o spo ni spo in spon i sponi spoi n spoin sp oni sp oin sp noi sp nio sp ion sp ino spno i spnoi spn oi spn io spnio spni o spio n spion spi on spi no spino spin o osnip osnpi osinp osipn ospni ospin onsip onspi onisp onips onpsi onpis oisnp oispn oinsp oinps oipsn oipns opsni opsin opnsi opnis opisn opins sonip sonpi soinp soipn sopni sopin snoip snopi sniop snipo snpoi snpio sionp siopn sinop sinpo sipon sipno sponi spoin spnoi spnio spion spino nosip nospi noisp noips nopsi nopis nsoip nsopi nsiop nsipo nspoi nspio