wents ewnts wnets nwets enwts newts wetns ewtns wtens twens etwns tewns wntes nwtes wtnes twnes ntwes tnwes entws netws etnws tenws ntews tnews wenst ewnst wnest nwest enwst newst wesnt ewsnt wsent swent eswnt sewnt wnset nwset wsnet swnet nswet snwet enswt neswt esnwt senwt nsewt snewt wetsn ewtsn wtesn twesn etwsn tewsn westn ewstn wsetn swetn eswtn sewtn wtsen twsen wsten swten tswen stwen etswn teswn estwn setwn tsewn stewn wntse nwtse wtnse twnse ntwse tnwse wnste nwste wsnte swnte nswte snwte wtsne twsne wstne swtne tswne stwne ntswe tnswe nstwe sntwe tsnwe stnwe entsw netsw etnsw tensw ntesw tnesw enstw nestw esntw sentw nsetw snetw etsnw tesnw estnw setnw tsenw stenw ntsew tnsew nstew sntew tsnew stnew
Note: these 'words' (valid or invalid) are all the permutations of the word wents. These words are obtained by scrambling the letters in wents.