alert laert aelrt ealrt leart elart alret laret arlet ralet lraet rlaet aerlt earlt arelt raelt eralt realt lerat elrat lreat rleat erlat relat aletr laetr aeltr ealtr leatr elatr alter later atler taler ltaer tlaer aetlr eatlr atelr taelr etalr tealr letar eltar ltear tlear etlar telar alrte larte arlte ralte lrate rlate altre latre atlre talre ltare tlare artle ratle atrle tarle rtale trale lrtae rltae ltrae tlrae rtlae trlae aertl eartl aretl raetl eratl reatl aetrl eatrl aterl taerl etarl tearl artel ratel atrel tarel rtael trael ertal retal etral teral rteal treal lerta elrta lreta rleta erlta relta letra eltra ltera tlera etlra telra lrtea rltea ltrea tlrea rtlea trlea ertla retla etrla terla rtela trela
Note: these 'words' (valid or invalid) are all the permutations of the word alert. These words are obtained by scrambling the letters in alert.