porks oprks proks rpoks orpks ropks pokrs opkrs pkors kpors okprs koprs prkos rpkos pkros kpros rkpos krpos orkps rokps okrps korps rkops krops porsk oprsk prosk rposk orpsk ropsk posrk opsrk psork spork osprk soprk prsok rpsok psrok sprok rspok srpok orspk rospk osrpk sorpk rsopk sropk poksr opksr pkosr kposr okpsr kopsr poskr opskr psokr spokr ospkr sopkr pksor kpsor pskor spkor kspor skpor okspr kospr oskpr sokpr ksopr skopr prkso rpkso pkrso kprso rkpso krpso prsko rpsko psrko sprko rspko srpko pksro kpsro pskro spkro kspro skpro rkspo krspo rskpo srkpo ksrpo skrpo orksp roksp okrsp korsp rkosp krosp orskp roskp osrkp sorkp rsokp srokp oksrp kosrp oskrp sokrp ksorp skorp rksop krsop rskop srkop ksrop skrop
Note: these 'words' (valid or invalid) are all the permutations of the word porks. These words are obtained by scrambling the letters in porks.