wecht ewcht wceht cweht ecwht cewht wehct ewhct whect hwect ehwct hewct wchet cwhet whcet hwcet chwet hcwet echwt cehwt ehcwt hecwt chewt hcewt wecth ewcth wceth cweth ecwth cewth wetch ewtch wtech twech etwch tewch wcteh cwteh wtceh twceh ctweh tcweh ectwh cetwh etcwh tecwh ctewh tcewh wehtc ewhtc whetc hwetc ehwtc hewtc wethc ewthc wtehc twehc etwhc tewhc whtec hwtec wthec twhec htwec thwec ehtwc hetwc ethwc tehwc htewc thewc wchte cwhte whcte hwcte chwte hcwte wcthe cwthe wtche twche ctwhe tcwhe whtce hwtce wthce twhce htwce thwce chtwe hctwe cthwe tchwe htcwe thcwe echtw cehtw ehctw hectw chetw hcetw ecthw cethw etchw techw ctehw tcehw ehtcw hetcw ethcw tehcw htecw thecw chtew hctew cthew tchew htcew thcew
Note: these 'words' (valid or invalid) are all the permutations of the word wecht. These words are obtained by scrambling the letters in wecht.