creps rceps cerps ecrps recps ercps crpes rcpes cpres pcres rpces prces ceprs ecprs cpers pcers epcrs pecrs repcs erpcs rpecs precs eprcs percs cresp rcesp cersp ecrsp recsp ercsp crsep rcsep csrep screp rscep srcep cesrp ecsrp cserp scerp escrp secrp rescp erscp rsecp srecp esrcp sercp crpse rcpse cprse pcrse rpcse prcse crspe rcspe csrpe scrpe rscpe srcpe cpsre pcsre cspre scpre pscre spcre rpsce prsce rspce srpce psrce sprce cepsr ecpsr cpesr pcesr epcsr pecsr cespr ecspr csepr scepr escpr secpr cpser pcser csper scper pscer spcer epscr pescr espcr sepcr psecr specr repsc erpsc rpesc presc eprsc persc respc erspc rsepc srepc esrpc serpc rpsec prsec rspec srpec psrec sprec epsrc pesrc esprc seprc pserc sperc
Note: these 'words' (valid or invalid) are all the permutations of the word creps. These words are obtained by scrambling the letters in creps.