slubs lsubs sulbs uslbs lusbs ulsbs slbus lsbus sblus bslus lbsus blsus subls usbls sbuls bsuls ubsls busls lubss ulbss lbuss bluss ublss bulss slusb lsusb sulsb uslsb lussb ulssb slsub lssub sslub sslub lssub slsub suslb usslb ssulb ssulb usslb suslb lussb ulssb lsusb slusb uslsb sulsb slbsu lsbsu sblsu bslsu lbssu blssu slsbu lssbu sslbu sslbu lssbu slsbu sbslu bsslu ssblu ssblu bsslu sbslu lbssu blssu lsbsu slbsu bslsu sblsu subsl usbsl sbusl bsusl ubssl bussl susbl ussbl ssubl ssubl ussbl susbl sbsul bssul ssbul ssbul bssul sbsul ubssl bussl usbsl subsl bsusl sbusl lubss ulbss lbuss bluss ublss bulss lusbs ulsbs lsubs slubs uslbs sulbs lbsus blsus lsbus slbus bslus sblus ubsls busls usbls subls bsuls sbuls
Note: these 'words' (valid or invalid) are all the permutations of the word slubs. These words are obtained by scrambling the letters in slubs.