culms uclms clums lcums ulcms lucms cumls ucmls cmuls mculs umcls mucls clmus lcmus cmlus mclus lmcus mlcus ulmcs lumcs umlcs mulcs lmucs mlucs culsm uclsm clusm lcusm ulcsm lucsm cuslm ucslm csulm sculm usclm suclm clsum lcsum cslum sclum lscum slcum ulscm luscm uslcm sulcm lsucm slucm cumsl ucmsl cmusl mcusl umcsl mucsl cusml ucsml csuml scuml uscml sucml cmsul mcsul csmul scmul mscul smcul umscl muscl usmcl sumcl msucl smucl clmsu lcmsu cmlsu mclsu lmcsu mlcsu clsmu lcsmu cslmu sclmu lscmu slcmu cmslu mcslu csmlu scmlu msclu smclu lmscu mlscu lsmcu slmcu mslcu smlcu ulmsc lumsc umlsc mulsc lmusc mlusc ulsmc lusmc uslmc sulmc lsumc slumc umslc muslc usmlc sumlc msulc smulc lmsuc mlsuc lsmuc slmuc msluc smluc
Note: these 'words' (valid or invalid) are all the permutations of the word culms. These words are obtained by scrambling the letters in culms.