tians itans tains atins iatns aitns tinas itnas tnias ntias intas nitas tanis atnis tnais ntais antis natis iants aints inats niats anits naits tiasn itasn taisn atisn iatsn aitsn tisan itsan tsian stian istan sitan tasin atsin tsain stain astin satin iastn aistn isatn siatn asitn saitn tinsa itnsa tnisa ntisa intsa nitsa tisna itsna tsina stina istna sitna tnsia ntsia tsnia stnia nstia sntia insta nista isnta sinta nsita snita tansi atnsi tnasi ntasi antsi natsi tasni atsni tsani stani astni satni tnsai ntsai tsnai stnai nstai sntai ansti nasti asnti santi nsati snati ianst ainst inast niast anist naist iasnt aisnt isant siant asint saint insat nisat isnat sinat nsiat sniat ansit nasit asnit sanit nsait snait
Note: these 'words' (valid or invalid) are all the permutations of the word tians. These words are obtained by scrambling the letters in tians.