beast ebast baest abest eabst aebst besat ebsat bseat sbeat esbat sebat baset abset bsaet sbaet asbet sabet easbt aesbt esabt seabt asebt saebt beats ebats baets abets eabts aebts betas ebtas bteas tbeas etbas tebas bates abtes btaes tbaes atbes tabes eatbs aetbs etabs teabs atebs taebs besta ebsta bseta sbeta esbta sebta betsa ebtsa btesa tbesa etbsa tebsa bstea sbtea btsea tbsea stbea tsbea estba setba etsba tesba steba tseba baste abste bsate sbate asbte sabte batse abtse btase tbase atbse tabse bstae sbtae btsae tbsae stbae tsbae astbe satbe atsbe tasbe stabe tsabe eastb aestb esatb seatb asetb saetb eatsb aetsb etasb teasb atesb taesb estab setab etsab tesab steab tseab asteb sateb atseb taseb staeb tsaeb
Note: these 'words' (valid or invalid) are all the permutations of the word beast. These words are obtained by scrambling the letters in beast.