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