groks rgoks gorks ogrks rogks orgks grkos rgkos gkros kgros rkgos krgos gokrs ogkrs gkors kgors okgrs kogrs rokgs orkgs rkogs krogs okrgs korgs grosk rgosk gorsk ogrsk rogsk orgsk grsok rgsok gsrok sgrok rsgok srgok gosrk ogsrk gsork sgork osgrk sogrk rosgk orsgk rsogk srogk osrgk sorgk grkso rgkso gkrso kgrso rkgso krgso grsko rgsko gsrko sgrko rsgko srgko gksro kgsro gskro sgkro ksgro skgro rksgo krsgo rskgo srkgo ksrgo skrgo goksr ogksr gkosr kgosr okgsr kogsr goskr ogskr gsokr sgokr osgkr sogkr gksor kgsor gskor sgkor ksgor skgor oksgr kosgr oskgr sokgr ksogr skogr roksg orksg rkosg krosg okrsg korsg roskg orskg rsokg srokg osrkg sorkg rksog krsog rskog srkog ksrog skrog oksrg kosrg oskrg sokrg ksorg skorg
Note: these 'words' (valid or invalid) are all the permutations of the word groks. These words are obtained by scrambling the letters in groks.