steap tseap setap estap tesap etsap staep tsaep satep astep tasep atsep seatp esatp saetp asetp eastp aestp teasp etasp taesp atesp eatsp aetsp stepa tsepa setpa estpa tespa etspa stpea tspea sptea pstea tpsea ptsea septa espta speta pseta epsta pesta tepsa etpsa tpesa ptesa eptsa petsa stape tsape satpe astpe taspe atspe stpae tspae sptae pstae tpsae ptsae sapte aspte spate psate apste paste tapse atpse tpase ptase aptse patse seapt esapt saept asept easpt aespt sepat espat speat pseat epsat pesat sapet aspet spaet psaet apset paset eapst aepst epast peast apest paest teaps etaps taeps ateps eatps aetps tepas etpas tpeas pteas eptas petas tapes atpes tpaes ptaes aptes pates eapts aepts epats peats apets paets
Note: these 'words' (valid or invalid) are all the permutations of the word steap. These words are obtained by scrambling the letters in steap.