iptum pitum itpum tipum ptium tpium iputm piutm iuptm uiptm puitm upitm itupm tiupm iutpm uitpm tuipm utipm ptuim tpuim putim uptim tupim utpim iptmu pitmu itpmu tipmu ptimu tpimu ipmtu pimtu imptu miptu pmitu mpitu itmpu timpu imtpu mitpu tmipu mtipu ptmiu tpmiu pmtiu mptiu tmpiu mtpiu ipumt piumt iupmt uipmt puimt upimt ipmut pimut imput miput pmiut mpiut iumpt uimpt imupt miupt umipt muipt pumit upmit pmuit mpuit umpit mupit itump tiump iutmp uitmp tuimp utimp itmup timup imtup mitup tmiup mtiup iumtp uimtp imutp miutp umitp muitp tumip utmip tmuip mtuip umtip mutip ptumi tpumi putmi uptmi tupmi utpmi ptmui tpmui pmtui mptui tmpui mtpui pumti upmti pmuti mputi umpti mupti tumpi utmpi tmupi mtupi umtpi mutpi
Note: these 'words' (valid or invalid) are all the permutations of the word iptum. These words are obtained by scrambling the letters in iptum.