rainv arinv rianv iranv airnv iarnv raniv arniv rnaiv nraiv anriv nariv rinav irnav rniav nriav inrav nirav ainrv ianrv anirv nairv inarv niarv raivn arivn riavn iravn airvn iarvn ravin arvin rvain vrain avrin varin rivan irvan rvian vrian ivran viran aivrn iavrn avirn vairn ivarn viarn ranvi arnvi rnavi nravi anrvi narvi ravni arvni rvani vrani avrni varni rnvai nrvai rvnai vrnai nvrai vnrai anvri navri avnri vanri nvari vnari rinva irnva rniva nriva inrva nirva rivna irvna rvina vrina ivrna virna rnvia nrvia rvnia vrnia nvria vnria invra nivra ivnra vinra nvira vnira ainvr ianvr anivr naivr inavr niavr aivnr iavnr avinr vainr ivanr vianr anvir navir avnir vanir nvair vnair invar nivar ivnar vinar nviar vniar
Note: these 'words' (valid or invalid) are all the permutations of the word rainv. These words are obtained by scrambling the letters in rainv.