nowl onwl nwol wnol ownl wonl nolw onlw nlow lnow olnw lonw nwlo wnlo nlwo lnwo wlno lwno owln woln olwn lown wlon lwon
Note: these 'words' (valid or invalid) are all the permutations of the word nowl. These words are obtained by scrambling the letters in nowl.