peril epril preil rpeil erpil repil peirl epirl pierl iperl eiprl ieprl priel rpiel pirel iprel ripel irpel eripl reipl eirpl ierpl riepl irepl perli eprli preli rpeli erpli repli pelri eplri pleri lperi elpri lepri prlei rplei plrei lprei rlpei lrpei erlpi relpi elrpi lerpi rlepi lrepi peilr epilr pielr ipelr eiplr ieplr pelir eplir pleir lpeir elpir lepir piler ipler plier lpier ilper liper eilpr ielpr elipr leipr ilepr liepr prile rpile pirle iprle riple irple prlie rplie plrie lprie rlpie lrpie pilre iplre plire lpire ilpre lipre rilpe irlpe rlipe lripe ilrpe lirpe erilp reilp eirlp ierlp rielp irelp erlip relip elrip lerip rleip lreip eilrp ielrp elirp leirp ilerp lierp rilep irlep rliep lriep ilrep lirep
Note: these 'words' (valid or invalid) are all the permutations of the word peril. These words are obtained by scrambling the letters in peril.