qitp iqtp qtip tqip itqp tiqp qipt iqpt qpit pqit ipqt piqt qtpi tqpi qpti pqti tpqi ptqi itpq tipq iptq pitq tpiq ptiq
Note: these 'words' (valid or invalid) are all the permutations of the word qitp. These words are obtained by scrambling the letters in qitp.