powan opwan pwoan wpoan owpan wopan poawn opawn paown apown oapwn aopwn pwaon wpaon pawon apwon wapon awpon owapn woapn oawpn aowpn waopn awopn powna opwna pwona wpona owpna wopna ponwa opnwa pnowa npowa onpwa nopwa pwnoa wpnoa pnwoa npwoa wnpoa nwpoa ownpa wonpa onwpa nowpa wnopa nwopa poanw opanw paonw aponw oapnw aopnw ponaw opnaw pnoaw npoaw onpaw nopaw panow apnow pnaow npaow anpow napow oanpw aonpw onapw noapw anopw naopw pwano wpano pawno apwno wapno awpno pwnao wpnao pnwao npwao wnpao nwpao panwo apnwo pnawo npawo anpwo napwo wanpo awnpo wnapo nwapo anwpo nawpo owanp woanp oawnp aownp waonp awonp ownap wonap onwap nowap wnoap nwoap oanwp aonwp onawp noawp anowp naowp wanop awnop wnaop nwaop anwop nawop
Note: these 'words' (valid or invalid) are all the permutations of the word powan. These words are obtained by scrambling the letters in powan.