beath ebath baeth abeth eabth aebth betah ebtah bteah tbeah etbah tebah bateh abteh btaeh tbaeh atbeh tabeh eatbh aetbh etabh teabh atebh taebh beaht ebaht baeht abeht eabht aebht behat ebhat bheat hbeat ehbat hebat bahet abhet bhaet hbaet ahbet habet eahbt aehbt ehabt heabt ahebt haebt betha ebtha bteha tbeha etbha tebha behta ebhta bheta hbeta ehbta hebta bthea tbhea bhtea hbtea thbea htbea ethba tehba ehtba hetba theba hteba bathe abthe btahe tbahe atbhe tabhe bahte abhte bhate hbate ahbte habte bthae tbhae bhtae hbtae thbae htbae athbe tahbe ahtbe hatbe thabe htabe eathb aethb etahb teahb atehb taehb eahtb aehtb ehatb heatb ahetb haetb ethab tehab ehtab hetab theab hteab atheb taheb ahteb hateb thaeb htaeb
Note: these 'words' (valid or invalid) are all the permutations of the word beath. These words are obtained by scrambling the letters in beath.