piten ipten ptien tpien itpen tipen pietn ipetn peitn epitn ieptn eiptn ptein tpein petin eptin tepin etpin itepn tiepn ietpn eitpn teipn etipn pitne iptne ptine tpine itpne tipne pinte ipnte pnite npite inpte nipte ptnie tpnie pntie nptie tnpie ntpie itnpe tinpe intpe nitpe tnipe ntipe pient ipent peint epint iepnt eipnt pinet ipnet pniet npiet inpet nipet penit epnit pneit npeit enpit nepit ienpt einpt inept niept enipt neipt pteni tpeni petni eptni tepni etpni ptnei tpnei pntei nptei tnpei ntpei penti epnti pneti npeti enpti nepti tenpi etnpi tnepi ntepi entpi netpi itenp tienp ietnp eitnp teinp etinp itnep tinep intep nitep tniep ntiep ientp eintp inetp nietp enitp neitp tenip etnip tneip nteip entip netip
Note: these 'words' (valid or invalid) are all the permutations of the word piten. These words are obtained by scrambling the letters in piten.