ilpmp lipmp iplmp pilmp lpimp plimp ilmpp limpp imlpp milpp lmipp mlipp ipmlp pimlp implp miplp pmilp mpilp lpmip plmip lmpip mlpip pmlip mplip ilppm lippm iplpm pilpm lpipm plipm ilppm lippm iplpm pilpm lpipm plipm ipplm piplm ipplm piplm ppilm ppilm lppim plpim lppim plpim pplim pplim ilmpp limpp imlpp milpp lmipp mlipp ilpmp lipmp iplmp pilmp lpimp plimp implp miplp ipmlp pimlp mpilp pmilp lmpip mlpip lpmip plmip mplip pmlip ipmpl pimpl imppl mippl pmipl mpipl ippml pipml ippml pipml ppiml ppiml imppl mippl ipmpl pimpl mpipl pmipl pmpil mppil ppmil ppmil mppil pmpil lpmpi plmpi lmppi mlppi pmlpi mplpi lppmi plpmi lppmi plpmi pplmi pplmi lmppi mlppi lpmpi plmpi mplpi pmlpi pmpli mppli ppmli ppmli mppli pmpli
Note: these 'words' (valid or invalid) are all the permutations of the word ilpmp. These words are obtained by scrambling the letters in ilpmp.