piums ipums puims upims iupms uipms pimus ipmus pmius mpius impus mipus pumis upmis pmuis mpuis umpis mupis iumps uimps imups miups umips muips piusm ipusm puism upism iupsm uipsm pisum ipsum psium spium ispum sipum pusim upsim psuim spuim uspim supim iuspm uispm isupm siupm usipm suipm pimsu ipmsu pmisu mpisu impsu mipsu pismu ipsmu psimu spimu ispmu sipmu pmsiu mpsiu psmiu spmiu mspiu smpiu imspu mispu ismpu simpu msipu smipu pumsi upmsi pmusi mpusi umpsi mupsi pusmi upsmi psumi spumi uspmi supmi pmsui mpsui psmui spmui mspui smpui umspi muspi usmpi sumpi msupi smupi iumsp uimsp imusp miusp umisp muisp iusmp uismp isump siump usimp suimp imsup misup ismup simup msiup smiup umsip musip usmip sumip msuip smuip
Note: these 'words' (valid or invalid) are all the permutations of the word piums. These words are obtained by scrambling the letters in piums.