gecko egcko gceko cgeko ecgko cegko gekco egkco gkeco kgeco ekgco kegco gckeo cgkeo gkceo kgceo ckgeo kcgeo eckgo cekgo ekcgo kecgo ckego kcego gecok egcok gceok cgeok ecgok cegok geock egock goeck ogeck eogck oegck gcoek cgoek gocek ogcek cogek ocgek ecogk ceogk eocgk oecgk coegk ocegk gekoc egkoc gkeoc kgeoc ekgoc kegoc geokc egokc goekc ogekc eogkc oegkc gkoec kgoec gokec ogkec kogec okgec ekogc keogc eokgc oekgc koegc okegc gckoe cgkoe gkcoe kgcoe ckgoe kcgoe gcoke cgoke gocke ogcke cogke ocgke gkoce kgoce gokce ogkce kogce okgce ckoge kcoge cokge ockge kocge okcge eckog cekog ekcog kecog ckeog kceog ecokg ceokg eockg oeckg coekg ocekg ekocg keocg eokcg oekcg koecg okecg ckoeg kcoeg cokeg ockeg koceg okceg
Note: these 'words' (valid or invalid) are all the permutations of the word gecko. These words are obtained by scrambling the letters in gecko.