pionn iponn poinn opinn iopnn oipnn pinon ipnon pnion npion inpon nipon ponin opnin pnoin npoin onpin nopin ionpn oinpn inopn niopn onipn noipn pionn iponn poinn opinn iopnn oipnn pinon ipnon pnion npion inpon nipon ponin opnin pnoin npoin onpin nopin ionpn oinpn inopn niopn onipn noipn pinno ipnno pnino npino inpno nipno pinno ipnno pnino npino inpno nipno pnnio npnio pnnio npnio nnpio nnpio innpo ninpo innpo ninpo nnipo nnipo ponni opnni pnoni nponi onpni nopni ponni opnni pnoni nponi onpni nopni pnnoi npnoi pnnoi npnoi nnpoi nnpoi onnpi nonpi onnpi nonpi nnopi nnopi ionnp oinnp inonp nionp oninp noinp ionnp oinnp inonp nionp oninp noinp innop ninop innop ninop nniop nniop onnip nonip onnip nonip nnoip nnoip
Note: these 'words' (valid or invalid) are all the permutations of the word pionn. These words are obtained by scrambling the letters in pionn.