powny opwny pwony wpony owpny wopny ponwy opnwy pnowy npowy onpwy nopwy pwnoy wpnoy pnwoy npwoy wnpoy nwpoy ownpy wonpy onwpy nowpy wnopy nwopy powyn opwyn pwoyn wpoyn owpyn wopyn poywn opywn pyown ypown oypwn yopwn pwyon wpyon pywon ypwon wypon ywpon owypn woypn oywpn yowpn wyopn ywopn ponyw opnyw pnoyw npoyw onpyw nopyw poynw opynw pyonw yponw oypnw yopnw pnyow npyow pynow ypnow nypow ynpow onypw noypw oynpw yonpw nyopw ynopw pwnyo wpnyo pnwyo npwyo wnpyo nwpyo pwyno wpyno pywno ypwno wypno ywpno pnywo npywo pynwo ypnwo nypwo ynpwo wnypo nwypo wynpo ywnpo nywpo ynwpo ownyp wonyp onwyp nowyp wnoyp nwoyp owynp woynp oywnp yownp wyonp ywonp onywp noywp oynwp yonwp nyowp ynowp wnyop nwyop wynop ywnop nywop ynwop
Note: these 'words' (valid or invalid) are all the permutations of the word powny. These words are obtained by scrambling the letters in powny.