blast lbast balst ablst labst albst blsat lbsat bslat sblat lsbat slbat baslt abslt bsalt sbalt asblt sablt lasbt alsbt lsabt slabt aslbt salbt blats lbats balts ablts labts albts bltas lbtas btlas tblas ltbas tlbas batls abtls btals tbals atbls tabls latbs altbs ltabs tlabs atlbs talbs blsta lbsta bslta sblta lsbta slbta bltsa lbtsa btlsa tblsa ltbsa tlbsa bstla sbtla btsla tbsla stbla tsbla lstba sltba ltsba tlsba stlba tslba bastl abstl bsatl sbatl asbtl sabtl batsl abtsl btasl tbasl atbsl tabsl bstal sbtal btsal tbsal stbal tsbal astbl satbl atsbl tasbl stabl tsabl lastb alstb lsatb slatb asltb saltb latsb altsb ltasb tlasb atlsb talsb lstab sltab ltsab tlsab stlab tslab astlb satlb atslb taslb stalb tsalb
Note: these 'words' (valid or invalid) are all the permutations of the word blast. These words are obtained by scrambling the letters in blast.