inlet nilet ilnet linet nliet lniet inelt nielt ienlt einlt neilt enilt ilent lient ielnt eilnt leint elint nleit lneit nelit enlit lenit elnit inlte nilte ilnte linte nlite lnite intle nitle itnle tinle ntile tnile iltne litne itlne tilne ltine tline nltie lntie ntlie tnlie ltnie tlnie inetl nietl ientl eintl neitl enitl intel nitel itnel tinel ntiel tniel ietnl eitnl itenl tienl etinl teinl netil entil nteil tneil etnil tenil iletn lietn ieltn eiltn leitn elitn ilten liten itlen tilen ltien tlien ietln eitln iteln tieln etiln teiln letin eltin ltein tlein etlin telin nleti lneti nelti enlti lenti elnti nltei lntei ntlei tnlei ltnei tlnei netli entli nteli tneli etnli tenli letni eltni lteni tleni etlni telni
Note: these 'words' (valid or invalid) are all the permutations of the word inlet. These words are obtained by scrambling the letters in inlet.