ognip gonip ongip nogip gnoip ngoip oginp goinp oignp iognp gionp igonp onigp noigp oingp iongp niogp inogp gniop ngiop ginop ignop nigop ingop ognpi gonpi ongpi nogpi gnopi ngopi ogpni gopni opgni pogni gponi pgoni onpgi nopgi opngi pongi npogi pnogi gnpoi ngpoi gpnoi pgnoi npgoi pngoi ogipn goipn oigpn iogpn giopn igopn ogpin gopin opgin pogin gpoin pgoin oipgn iopgn opign poign ipogn piogn gipon igpon gpion pgion ipgon pigon onipg noipg oinpg ionpg niopg inopg onpig nopig opnig ponig npoig pnoig oipng iopng oping poing ipong piong nipog inpog npiog pniog ipnog pinog gnipo ngipo ginpo ignpo nigpo ingpo gnpio ngpio gpnio pgnio npgio pngio gipno igpno gpino pgino ipgno pigno nipgo inpgo npigo pnigo ipngo pingo
Note: these 'words' (valid or invalid) are all the permutations of the word ognip. These words are obtained by scrambling the letters in ognip.