slipt lsipt silpt islpt lispt ilspt slpit lspit split pslit lpsit plsit siplt isplt spilt psilt ipslt pislt lipst ilpst lpist plist iplst pilst slitp lsitp siltp isltp listp ilstp sltip lstip stlip tslip ltsip tlsip sitlp istlp stilp tsilp itslp tislp litsp iltsp ltisp tlisp itlsp tilsp slpti lspti splti pslti lpsti plsti sltpi lstpi stlpi tslpi ltspi tlspi sptli pstli stpli tspli ptsli tpsli lptsi pltsi ltpsi tlpsi ptlsi tplsi siptl isptl spitl psitl ipstl pistl sitpl istpl stipl tsipl itspl tispl sptil pstil stpil tspil ptsil tpsil iptsl pitsl itpsl tipsl ptisl tpisl lipts ilpts lpits plits iplts pilts litps iltps ltips tlips itlps tilps lptis pltis ltpis tlpis ptlis tplis iptls pitls itpls tipls ptils tpils
Note: these 'words' (valid or invalid) are all the permutations of the word slipt. These words are obtained by scrambling the letters in slipt.