kaphs akphs kpahs pkahs apkhs pakhs kahps akhps khaps hkaps ahkps hakps kphas pkhas khpas hkpas phkas hpkas aphks pahks ahpks hapks phaks hpaks kapsh akpsh kpash pkash apksh paksh kasph aksph ksaph skaph askph sakph kpsah pksah kspah skpah pskah spkah apskh paskh aspkh sapkh psakh spakh kahsp akhsp khasp hkasp ahksp haksp kashp akshp ksahp skahp askhp sakhp khsap hksap kshap skhap hskap shkap ahskp haskp ashkp sahkp hsakp shakp kphsa pkhsa khpsa hkpsa phksa hpksa kpsha pksha kspha skpha pskha spkha khspa hkspa kshpa skhpa hskpa shkpa phska hpska pshka sphka hspka shpka aphsk pahsk ahpsk hapsk phask hpask apshk pashk asphk saphk psahk spahk ahspk haspk ashpk sahpk hsapk shapk phsak hpsak pshak sphak hspak shpak
Note: these 'words' (valid or invalid) are all the permutations of the word kaphs. These words are obtained by scrambling the letters in kaphs.