lumps ulmps lmups mlups umlps mulps lupms ulpms lpums plums uplms pulms lmpus mlpus lpmus plmus mplus pmlus umpls mupls upmls pumls mpuls pmuls lumsp ulmsp lmusp mlusp umlsp mulsp lusmp ulsmp lsump slump uslmp sulmp lmsup mlsup lsmup slmup mslup smlup umslp muslp usmlp sumlp msulp smulp lupsm ulpsm lpusm plusm uplsm pulsm luspm ulspm lsupm slupm uslpm sulpm lpsum plsum lspum slpum pslum splum upslm puslm usplm suplm psulm spulm lmpsu mlpsu lpmsu plmsu mplsu pmlsu lmspu mlspu lsmpu slmpu mslpu smlpu lpsmu plsmu lspmu slpmu pslmu splmu mpslu pmslu msplu smplu psmlu spmlu umpsl mupsl upmsl pumsl mpusl pmusl umspl muspl usmpl sumpl msupl smupl upsml pusml uspml supml psuml spuml mpsul pmsul mspul smpul psmul spmul
Note: these 'words' (valid or invalid) are all the permutations of the word lumps. These words are obtained by scrambling the letters in lumps.