vasty avsty vsaty svaty asvty savty vatsy avtsy vtasy tvasy atvsy tavsy vstay svtay vtsay tvsay stvay tsvay astvy satvy atsvy tasvy stavy tsavy vasyt avsyt vsayt svayt asvyt savyt vayst avyst vyast yvast ayvst yavst vsyat svyat vysat yvsat syvat ysvat asyvt sayvt aysvt yasvt syavt ysavt vatys avtys vtays tvays atvys tavys vayts avyts vyats yvats ayvts yavts vtyas tvyas vytas yvtas tyvas ytvas atyvs tayvs aytvs yatvs tyavs ytavs vstya svtya vtsya tvsya stvya tsvya vsyta svyta vysta yvsta syvta ysvta vtysa tvysa vytsa yvtsa tyvsa ytvsa styva tsyva sytva ystva tysva ytsva astyv satyv atsyv tasyv stayv tsayv asytv saytv aystv yastv syatv ysatv atysv taysv aytsv yatsv tyasv ytasv styav tsyav sytav ystav tysav ytsav
Note: these 'words' (valid or invalid) are all the permutations of the word vasty. These words are obtained by scrambling the letters in vasty.