nedya endya ndeya dneya ednya denya neyda enyda nyeda yneda eynda yenda ndyea dnyea nydea yndea dynea ydnea edyna deyna eydna yedna dyena ydena neday enday ndeay dneay ednay denay neady enady naedy anedy eandy aendy ndaey dnaey nadey andey daney adney edany deany eadny aedny daeny adeny neyad enyad nyead ynead eynad yenad neayd enayd naeyd aneyd eanyd aenyd nyaed ynaed nayed anyed yaned ayned eyand yeand eaynd aeynd yaend ayend ndyae dnyae nydae yndae dynae ydnae ndaye dnaye nadye andye danye adnye nyade ynade nayde anyde yande aynde dyane ydane dayne adyne yadne aydne edyan deyan eydan yedan dyean ydean edayn deayn eadyn aedyn daeyn adeyn eyadn yeadn eaydn aeydn yaedn ayedn dyaen ydaen dayen adyen yaden ayden
Note: these 'words' (valid or invalid) are all the permutations of the word nedya. These words are obtained by scrambling the letters in nedya.