crump rcump curmp ucrmp rucmp urcmp crmup rcmup cmrup mcrup rmcup mrcup cumrp ucmrp cmurp mcurp umcrp mucrp rumcp urmcp rmucp mrucp umrcp murcp crupm rcupm curpm ucrpm rucpm urcpm crpum rcpum cprum pcrum rpcum prcum cuprm ucprm cpurm pcurm upcrm pucrm rupcm urpcm rpucm prucm uprcm purcm crmpu rcmpu cmrpu mcrpu rmcpu mrcpu crpmu rcpmu cprmu pcrmu rpcmu prcmu cmpru mcpru cpmru pcmru mpcru pmcru rmpcu mrpcu rpmcu prmcu mprcu pmrcu cumpr ucmpr cmupr mcupr umcpr mucpr cupmr ucpmr cpumr pcumr upcmr pucmr cmpur mcpur cpmur pcmur mpcur pmcur umpcr mupcr upmcr pumcr mpucr pmucr rumpc urmpc rmupc mrupc umrpc murpc rupmc urpmc rpumc prumc uprmc purmc rmpuc mrpuc rpmuc prmuc mpruc pmruc umprc muprc upmrc pumrc mpurc pmurc
Note: these 'words' (valid or invalid) are all the permutations of the word crump. These words are obtained by scrambling the letters in crump.