ucslb cuslb usclb suclb csulb sculb uclsb culsb ulcsb lucsb clusb lcusb uslcb sulcb ulscb luscb slucb lsucb cslub sclub clsub lcsub slcub lscub ucsbl cusbl uscbl sucbl csubl scubl ucbsl cubsl ubcsl bucsl cbusl bcusl usbcl subcl ubscl buscl sbucl bsucl csbul scbul cbsul bcsul sbcul bscul uclbs culbs ulcbs lucbs clubs lcubs ucbls cubls ubcls bucls cbuls bculs ulbcs lubcs ublcs bulcs lbucs blucs clbus lcbus cblus bclus lbcus blcus uslbc sulbc ulsbc lusbc slubc lsubc usblc sublc ubslc buslc sbulc bsulc ulbsc lubsc ublsc bulsc lbusc blusc slbuc lsbuc sbluc bsluc lbsuc blsuc cslbu sclbu clsbu lcsbu slcbu lscbu csblu scblu cbslu bcslu sbclu bsclu clbsu lcbsu cblsu bclsu lbcsu blcsu slbcu lsbcu sblcu bslcu lbscu blscu
Note: these 'words' (valid or invalid) are all the permutations of the word ucslb. These words are obtained by scrambling the letters in ucslb.