septs espts spets psets epsts pests setps estps steps tseps etsps tesps sptes pstes stpes tspes ptses tpses eptss petss etpss tepss ptess tpess sepst espst spest psest epsst pesst sespt esspt ssept ssept esspt sespt spset psset sspet sspet psset spset epsst pesst espst sepst psest spest setsp estsp stesp tsesp etssp tessp sestp esstp ssetp ssetp esstp sestp stsep tssep sstep sstep tssep stsep etssp tessp estsp setsp tsesp stesp sptse pstse stpse tspse ptsse tpsse spste psste sspte sspte psste spste stspe tsspe sstpe sstpe tsspe stspe ptsse tpsse pstse sptse tspse stpse eptss petss etpss tepss ptess tpess epsts pests espts septs psets spets etsps tesps estps setps tseps steps ptses tpses pstes sptes tspes stpes
Note: these 'words' (valid or invalid) are all the permutations of the word septs. These words are obtained by scrambling the letters in septs.